Notes

[Biology] The number of arms of a regular starfish.

[Biology] The number of basic senses of a human body: touch, sight, hearing, smell and taste.

[Biology] The number of fingers on a hand: thumb, index finger (forefinger), middle finger, ring finger and pinkie (little) finger.

[Biology] The number of toes on a foot: one big toe and 4 smaller toes.

[Calendar] In ancient Chinese and some other Asian countries, the nighttime lasts 10 hours, from 7:00 pm to 5:00 am and is divided into 5 two-hour periods, namely, period 1: Dog (7pm-9pm), 2: Pig (9pm-11pm), 3: Rat (11pm-1am), 4: Ox (1am-3am) and 5: Tiger (3am-5am).

[Calendar] The day 05/05 (May 05) is the Cinco de Mayo holiday of Mexico.

[Calendar] May’s birthstone is emerald or chrysoprase (for love).
May’s flower is hawthorn or lily of the valley.
May’s full moon is named “Flower Moon”.

[Chemistry] The atomic number of Boron (B).

[EECS] The digit represented by the green color by either first 2 bands or the exponent of 10 represented by that color of the 3rd band (i.e. multiplier is 105) in the electronic resistor/capacitor color code.

[EECS] The tolerance (5%) represented by the gold tolerance (4th) band in the electronic resistor/capacitor color code. (Silver 10%; No color 20%).

[Game] The number of Soldiers (Pawns) for each player/side in a Xingqi (Chinese chess) set, initially placed at 5 special markings along each side of the “river” at the middle of the board, separating two sides.

[Game] The number of questions in each category of the TV’s “Jeopardy!” game show. There are 6 categories for each of the first 2 stages: “Jeopardy!” and “Double Jeopardy!”.

[Game] In the popular TV game show “Deal or No Deal”, a contestant has the choices of one of 26 suitcases of the prizes U.S. $0.01, 1, 5, 10, 25, 50, 75, 100, 200, 300, 400, 500, 750, 1000, 5000, 10,000, 25,000, 50,000, 75,000, 100,000, 200,000, 300,000, 400,000, 500,000, 750,000 and the maximum amount is at least $1,000,000 (in a typical show).

[Geology] The number of main oceans on the Earth: Atlantic, Indian, Pacific, Arctic and Antarctic.

[Geology] Five Great Lakes on the border of Canada and the U.S.: Erie, Huron, Michigan, Ontario and Superior.

[Geology] U.S. cities/towns whose names start with “Five”: Five Corners, Washington 98662 – Five Mile Fork, Virginia – Five Forks (Simpsonville), South Carolina 29681 and 7 towns named “Five Points” in 7 states: Alabama 36855, California 93624, Florida 32055, Minnesota 56303 North Carolina 28376, Ohio 45066, Pennsylvania 19606 and Tennessee 38457.

[Geology] The number of the U.S. states using compass/geology direction names in their names: North, South (for both Carolina and Dakota) and West (West Virginia). Only East is not used.

[Geology] I-5, a major U.S. North-South interstate highway, connecting Blaine, Washington to San Diego, California, 1382 miles, (extended from U.S.-Canada border to U.S.-Mexico border).

[Gov.] The number of grades of the most popular Executive Schedule (EX) salary pay scale for the U.S. government employees (civil servants), in the increasing orders: Level-V to Level-I.

[Gov.] The number faces of the Pentagon, U.S. Defense Department Headquarters, the largest working building in the world.

[History] May is the U.S. National Asian and Pacific Americans Heritage month.

[History] Connecticut was the 5th state to ratify the U.S. Constitution to join the Union, on 9 January 1788.

[History] The 5th U.S. President: James Monroe (Republican, Virginia, 1817-1825).

[History] The number of (Chinese) Elements: Metal, Water, Wood, Fire and Earth (listed in order of the Production Cycle). The Destruction Cycle is ordered as: Water, Fire, Metal, Wood and Earth. These Elements represent 5 compass directions: North (Water), South (Fire), East (Wood), West (Metal) and also Center (Earth).

[Language]: Roman numerals: V = 5 & V-bar or (V) = 5000.

[Language] Prefixes : Penta-, Pento-, Quint-, Quinque-…

[Language] Quincunx is a 5-point pattern of the letter X.

[Language] The number of vowels in English language: A, E, I, O and U.

[Library] ISBN-5 is the International Standard Book Number for books published in Russia (or the former USSR – Union of Soviet Socialist Republics).

[Literature] The number of lines in a limerick.

[Military] A 5-star general is the “General of the Army”. (U.S. military).
There has been no 5-star general currently, maybe no longer have.

[Money] The number of cents (pennies) in a nickel. (U.S. coins).

[Money] The standard weight (g, grams) of a U.S. nickel, since 1866. (U.S. coins).

[Money] The number of nickels in a quarter. (U.S. coins).

[Money] The number of dimes in a half dollar coin. (U.S. coins).

[Money] The U.S. $5 bill figures the portrait of the 16th U.S. President Abraham Lincoln. On the back is the Lincoln Memorial.

[Movie] Names of TV shows/series or movies: “Five Star Final”, “Five Came Back”, “Five Graves to Cairo”, “Five Easy Pieces”, “The Fifth Element”, “The Five Heartbeats” and “Are you Smarter Than a 5th Grader?”.

[Music] The number of musicians playing in a quintet.

[Music] The number of parallel lines on the musical staff for musical notes and symbols.

[Music] Most popular banjos have 5 strings. Other models have 4 or 6 strings.

[Phone] The digit that can be dialed mnemonically by either letter J, K or L on the telephone keypad.

[Phone] The number to key in text messaging on telephone keypad for letter J.

[World] The number of permanent members of the United Nations Security Council: China, France, Russian Federation, United Kingdom and United States. The total number of members is 15, including 10 members elected by the General Assembly for two-year terms.

[Zip] The number of digits of a U.S. Postal ServiceZip Code (instituted in 1963). Zip = Zoning Improvement Plan.

[Tech.] The “number system” code of an EAN-13 barcode for the U.S. and Canada’s products: 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12 and 13.

004, 005 & 006
[Library] First 3 digits (004, 005 and 006) in the Dewey Decimal Classification System call numbers for library books in Computer Science.

5.1 & 5.6
[EECS] 5.1 and 5.6(W, KW or MW) are two of standard numerical values for resistors (of tolerance class 5%) between 5 and 6(W, KW or MW).

5.25
[EECS] The diameter of a classical floppy disk: 5¼ inches.

4 & 5
[History] The 4th U.S. President: James Madison (Republican, Virginia, 1809-1817).
His Vice Presidents were: George Clinton (New York, 1809-1812, died), the 4th U.S. Vice President and Elbridge Thomas Gerry (Massachusetts, 1813-1814, died), the 5th U.S. Vice President. There was no Vice President in the periods 1812-1813 and 1814-1817.

5 & 6
[History] The 5th U.S. President: James Monroe (Republican, Virginia, 1817-1825).
His Vice President, Daniel D. Tomkins (New York), was the 6th U.S. Vice President.



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