Number 16

A page of the Numeropedia - the Special Encyclopedia of Numbers

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[Astronomy]  The number of natural satellites of the planet Jupiter (from innermost): Metis, Adrastea, Amalthea, Thebe, Io*, Europa*, Ganymede*, Callisto*, Leda, Himalia, Lysithea, Elara, Ananke, Carme, Pasiphae and Sinope. Galilean satellites are the 4 largest ones, marked by *.

 

[Biology]  The number of teeth in each jaw of a full mouth of teeth: 1 canine, 2 incisors, 2 pre-mortars (or bicuspids) and 3 mortars on each side.

 

[Biology]  The number of legs of a caterpillar before it emerges from its chrysalis to become a butterfly or moth which has only 6 legs.

 

[Calendar]  The U.S. Boss Day is on 16 October.

 

[Chemistry]  The atomic number of Sulfur (S).

 

[EECS]  16(W, KW or MW) is one of standard numerical values for resistors (of tolerance class 5%).

 

[EECS]  The number of bits in a word.

1 doubleword = 2 words = 4 bytes = 8 nibbles = 32 bits.

 

[Flag]  The number of sunrays, alternatively triangular and wavy, radiated from the yellow Sun of May (bearing a human face) on the national flag  of Uruguay.

 

[Game]  The number of chess pieces for each player/side in a chess set: 8 Pawns, 2 Rooks, 2 Knights, 2 Bishops, 1 Queen and 1 King.

 

[Game]  The number of chess pieces for each player/side in a Xingqi (Chinese chess) set: 5 Soldiers (Pawns), 2 Chariots (Rooks), 2 Cannons, 2 Horses (Knights), 1 King (or General), 2 Mandarins (Guards) and 2 Elephants (Bishops).

 

[Geology]  The number of compass directions derived from the 4 main directions North (N), South (S), East (E) and West (W), in clockwise: N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW and NNW.

 

[Geology]  U.S. cities/towns whose names start with “Sixteen”: Sixteen, Montana and Sixteen Mile Stand, Ohio.

 

[History]  Tennessee became the 16th state of the U.S. on 1 June 1796.

 

[History]  The 16th U.S. President: Abraham Lincoln (Republican, Kentucky, 1861-1865).

His Vice Presidents were: Hannibal Hamlin (Maine, 1861-1865), 15th U.S. Vice President and Andrew Johnson (North Carolina, 1865), the 16th U.S. Vice President.

 

[Language]  Prefixes: Sede-, Sedec-, Hexadeca-…

 

[Math.]  The smallest 2-digit square number = 42.

 

[Math.]  The only number that canbe written in a reverse power: 16 = 24 = 42.

  

[Math.]  Solutions of the factorial equations n! = abc!:

16! = 14!×5!×2! and 10! = 7!×5!×3!.

 

[Math.]  165,033 = 163+503+333 and its modified number:

1,000,165,033 = 10003+163+503+333.

 

[Math.]  Repeatedly inserting numbers 15 in the middle of the square number 16 yields other squares 1156 = 342, 111556 = 3342, 11115556 = 33342

 

[Math.]  047,619×16 = 761,904 = 190,476×4.

025,641×16 = 410,256. (ref.23)

 

[Measure]  The number of ounces in a pound (lb).

U.S. customary units for weight measures: 35.274 oz (ounces) = 2.20462 lb (pounds) = 1 kg (kilogram & 16 ounces = 1 lb (pound).

 

[Measure]  The number of drams in an ounce.

British imperial units for weight measures: 1 stone = 14 lb (pounds) = 224 oz (ounces) = 3584 drams = 98,000 grains = 6350.29318 g (grams) & 1 grain = 64.79891 mg (milligrams) & 1 ounce = 16 drams = 437.5 grains & 1 dram = 2711/32 grains.

 

[Measure]  The number of fluid ounces in a pint.

U.S. customary units for liquid measures: 1 gallon = 4 quarts = 8 pints = 32 gills = 128 fluid ounces = 1024 fluid drams = 61440 minims = 3.785411784 liters = 231 inch3.

 

[Measure]  The number of (dry) pints in a peck.

U.S. customary units for dry measures: 1 bushel = 4 pecks = 32 dry quarts = 64 dry pints = 35.23907016688 liters = 2150.42 inch3.

British imperial units for dry and liquid measures: 1 bushel = 4 pecks = 8 gallons = 32 quarts = 64 pints = 256 gills = 1280 fluidounces = 36.368736 liters.

 

[Measure]  The number of tablespoons in a cup.

U.S. customary units for kitchen measurements: ½ pints = 1 cup = 8 fluid ounces = 16 tablespoons = 48 teaspoons = 2880 drops = 236.588 ml.

 

[Money]  The number of digits of a credit card or ATM card number is 13 (for Visa), 14 (Diners Club/Carte Blanche), 15 (American Express, JCB, enRoute) or 16 (Discover, MasterCard, Visa, JCB).

 

[Movie]  Names of TV shows/series or Movies: “16 Blocks” and “Sixteen Candles”.

 

[Music] The number of strings of the Vietnamese 16-stringed zither. Also, there is 19-stringed zither.

 

[Science]  The popular base used in Computer Science, base-16, for hexadecimal numbers, using 16 digits: 0 to 9 and letters A, B, C, D, E and F for values 10, 11, 12, 13, 14 and 15 respectively.

 

[Sport] The maximum weight (lb, pounds) of a bowling ball.

 

[Sport]  The number of feathers of a feathered shuttlecock, as for use in the game of badminton.

 

[Sport]  The NFL (National Football League) season lasts 17 weeks (before playoffs and Super Bowl). Each team is scheduled to play 16 games, with one bye week for each team, which is scheduled in the first half of the season. That is the last possible bye week is week 9.

 

[Sport]  The preferred ice temperature for an ice hockey rink is 16 oF. For a figure skating ice rink, it is preferably at 22 oF.

 

[Sport]  “Elite Eight”, i.e., eight teams or players, winners from “Sweet Sixteen” or Round of 16, will enter quarterfinals of a tournament. Four winners will enter the semifinals or “Final Four”.

  

[Tech.]  The mass (g, grams) of a typical compact disk (CD), with outer radius 60 mm (millimeters), inner radius 7.5 mm and thickness 1.0 mm.

 

[Trivia]  Modernly, the 16th wedding anniversary is named silver hollowware (or peridot) anniversary

 

[Trivia]  TV Screen Aspect ratios: Regular [4:3] (for Pan & Scan or Letterbox) and Widescreen [16:9].

 

[World]  The ISO country code for American Samoa is 016. (ISO-3166)

 

[Measure]  The number of feet in a rod: 16.5.

U.S. customary units for linear measures: 1 mile = 8 furlongs = 320 rods = 1,760 yards = 5,280 feet = 63,360 inches.

 

16 & 15

[History]  The 16th U.S. President: Abraham Lincoln (Republican, Kentucky, 1861-1865).

His Vice Presidents were: Hannibal Hamlin (Maine, 1861-1865), 15th U.S. Vice President and Andrew Johnson (North Carolina, 1865), the 16th U.S. Vice President.