Number 10

A page of the Numeropedia - the Special Encyclopedia of Numbers

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Number 10 in Calendar        Number 10 in Math.       Number 10 in Measurements     (More Trivia pages)

Number 10 in Sports                 Number 10 in Science-Technology      Number 10 in Trivia 


[Biology]  An animal/insect has an even number of legs: 2, 4, 6, 8, 10 or more. Animals/insects having 10 legs: lobsters, shrimps, crabs…

The number of tentacles of a squid (or also called 8 arms and 2 tentacles).


[Biology]  The number of fingers (and toes) of a human body.


[Chemistry]  The atomic number of Neon (Ne).


[EECS]  In hexadecimal number system, A = 10.


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


[EECS]  10(W, KW or MW) is one of standard numerical values for resistors (of tolerance class 5%). 10pf (picofarads) and 10mF (microfarads) are two of standard numerical values for capacitors.


[Flag]  The number of yellow-edges green stars encircling a red disk bearing a sisserou parrot on the national flagof Dominica, representing its 10 administrative divisions (parishes).


[Flag]  The number of yellow stars, forming a circle which is centered on the hoist end of the red stripe and extends passing two white bands into the upper and lower blue bands, on the national flag  of Cape Verde.


[Game]  Jigsaw puzzles are typically comprised of 10, 20, 50, 100, 200, 300, 500, 750, 1000, 1500 or 2000 interlocking pieces.


[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]  I-10, a major U.S. West-East interstate highway, connecting Los Angeles, California to Jacksonville, Florida, 2460 miles.


[Geology]  U.S. cities/towns whose names start with “Ten”: Ten Broeck, Kentucky 40241 – Ten Mile, Tennessee 37880 – Ten Sleep, Wyoming 82442 and Tenmile, Oregon 97481 – Ten Spot, Kentucky 40828.


[Gov.]  The number of steps in each grade in the most popularGeneral Schedule (GS) salary pay scale for the U.S. government employees (civil servants). There are totally 15 grades, 01-15.


[Gov.]  The period (years) of the U.S. Censuses; i.e., only in calendar years ending with digit 0 (required by the U.S. Constitution)


[Gov.]  A U.S. Social Security number has 9 digits, in the format: AAA-GG-SSSS, AAA is area number (indicating location issued, less than 750), GG is group number (indicating time issued, in the order of odd numbers under 10 (01, 03,…, 09), even numbers above 10 (10, 12,…, 98), even numbers under 10 (02, 04,…, 08) and odd number above 10 (11, 13,…, 99)) and SSSS is serial number (0001 to 9999, assigned to local offices until 1972). All 00, 000 and 0000 are invalid area number, group number and serial number, respectively.


[History]  Virginia was the 10th state to ratify the U.S. Constitution to join the Union, on 25 June 1788.


[History]  The 10th U.S. President: John Tyler (Democrat, Virginia, 1841-1845), the first U.S. president who married while in office.


[History]  The number of amendments in the Bill of Rights of the U.S. Constitution.


[History]  U.S. National Hispanic Heritage month is from September 15 to October 15.


[History]  October is the U.S. National Disability Awareness month.


[Language]  Roman numerals: X = 10 & X-bar or (X) = 10,000.


[Language]  A tithe is a tenth of one’s income to be paid or given, especially for the church.


[Library]  The number of digits in the ISBN (International Standard Book Number): nine digits (consisting of 3 parts of unfixed sizes, separated by hyphens or spaces: 1st part for language or country of origin, 2nd part for the publisher and the 3rd part for the book number) and one check digit (0-9 and X for number 10) to the right end. Sum of 10 products (n times the nth digit from the right of an ISBN, for n = 1 to 10) must be divisible by 11. The current ISBN is changing to 13-digit ISBN (ISBN-13) in January 1, 2007 to match with the “number system” code of an EAN-13 barcode.


[Money]  The number of dimes in one dollar coin or bill.  The number of cents (pennies) in a dime. The number of nickels in a half dollar coin. (U.S. currency).


[Money]  The U.S. $10 bill figures the portrait of Alexander Hamilton, the first Secretary of the Treasury. On the back is the figure of the U.S. Treasury.


[Movie]  Names of TV shows/series or movies: “The 10th Kingdom”, “10 Things I hated about You”, “How to Lose a Guy in 10 Days”, “The Whole Ten Yards”, “10 Items or Less”, “Power of 10”, “The Ten”, “10th & Wolf”, “The Ten”, “The Tenth Circle” and “3:10 to Yuma”.


[Phone]  The number of digits of a complete U.S./NANPA telephone number, including the 3-digit area code.


[Theology]  The number of commandments God gave Moses in the Holy Bible.


[World]  The number of elected two-year-term members of the United Nations Security Council, excluding the 5 permanent members (China, France, Russian Federation, the United Kingdom and the U.S.).


[World]  The number of members of the ASEAN (Association of Southeast Asian Nations): Brunei, Burma, Cambodia, Indonesia, Laos, Malaysia, Philippines, Singapore, Thailand and Vietnam, (as of 2005). Papua New Guinea is an observer. Its flag shows ten yellow padi stalks in the central orange circle with white ring over the blue background.


[World]  The ISO country code for Antarctica is 010. (ISO-3166)


[Zip]  The values of the US non-denominated first-class postage stamps and later values, for the first ounce, starting 14 September 1975 at 10¢ to 44¢, in May 2009.  
















Value (¢)



















[Movie]  Names of TV show/series or movie: “10.5”


9 & 10

[Movie] The 9th U.S. President: William Henry Harrison (Whig, Virginia, March-April 1841). 

His Vice President , John Tyler (Democrat, Virginia, 1841) was the 10th U.S. Vice President).

The 10th U.S. President: John Tyler ((Democrat, Virginia, 1841-1845), is the first U.S. President who married while in Office. He had no Vice President.