A page of the Numeropedia - the Special Encyclopedia of Numbers
[Calendar] The number of seconds in a minute; the number of minutes in an hour. 1 week = 7 days = 168 hours = 10,080 minutes = 604,800 seconds.
[Calendar] The number of years in a full cycle (Sexagenary Cycle or Cycle of Cathay) of names in Chinese lunar (or lunisolar) calendar, which are formed by the combinations of 10 Heavenly/Celestial Stems and 12 Earthly Branches (or commonly known as 12 Animals).
[Calendar] The leap day (29 February) is the 60th day of a leap year.
[Chemistry] The atomic number of Neodymium (Nd). An element in the Lanthanide series: Lanthanum (57) to Lutetium (71).
[Geology] Antarctica is usually defined as the territory South of the South 60olatitude line. The Antarctica Circle is at South 66o 30’ latitude line.
[History] The number of votes required for a “cloture” in the U.S. Senate (i.e. three-fifths of the current 100-senator Senate) to end a “filibuster”, after the year 1975. This number was reduced from a two-thirds majority vote established by the Senate’s “rule 22” in 1917.
[Language] Prefixes : Sexage-…
[Math.] The number of seconds (”) in a minute (’); the number of minutes (’) in a degree (o), units of measuring geometric angles.
[Math.] The larger acute angle in a right triangle, whose hypotenuse is twice as long as one of its sides, is 60o. This side is adjacent to the 60o angle. (It is called a 30-60-90 triangle).
[Math.] Each internal angle in an equilateral triangle (having 3 equal sides and three equal angles) is 60o.
[Math.] sin(30o) = sin(150o) = cos(60o) = cos(300o) = 0.5.
sin(60o) = sin(120o) = cos(30o) = cos(330o) = 31/2/2.
tan(30o) = tan(210o) = cot(60o) = cos(240o) = 31/2/3.
tan(60o) = tan(240o) = cot(30o) = cos(210o) = 31/2.
[Math.] In any triplets of integers for the sides of a Pythagorean triangle: 1 integer is always divisible by 3 and 1 by 5; the product of 2 legs is divisible by 12 and the product of 3 sides is divisible by 60.
[Measure] The number of drops in teaspoon..
U.S. customary units for kitchen measurements: ½ pints = 1 cup = 8 fluid ounces = 16 tablespoons = 48 teaspoons = 2880 drops = 236.588 ml.
[Measure] The number of minims in a fluid dram.
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] 1 dram apothecaries = 60 grains.
1 pound apothecaries = 12 ounces apothecaries = 96 drams apothecaries = 288 scruples = 5760 grains.
[Measure] 1 bolt (fabric) = 32 ells = 40 yards = 1440 inches,
1 ell = 1.25 yards = 3.75 feet = 45 inches = 60 digits = 1143 mm.
[Measure] The time (minutes) that the minute hand rotates one full cycle (revolution) on a mechanical clock or watch or the hour hand rotates between 2 consecutive numbers (or hour marks).
[Measure] The time (seconds) that the second hand rotates one full cycle (revolution) on a mechanical clock or watch.
[Measure] One pace (great pace or geometrical pace) is defined to be 5 feet = 60 inches = 152.4 cm, in English speaking countries.
The 2 o’clock direction is 60o to the right-hand side.
The 5 o’clock direction is 60o off the right-hand side to the back.
The 7 o’clock direction is 60o off the left-hand side to the back.
The 10 o’clock direction is 60o to the left-hand side.
[Movie] Names of TV shows/series or movies: “Gone in 60 Seconds”, “60 Minutes” and “Studio 60 on the Sunset Strip”.
[Phone] International telephone dialing code for Malaysia.
American system British system Number ***** novemdecillion 10114 novemdecillion decillion 1060 decillion ***** 1033
[Sport] In ten-pin bowling, the foul line, usually red, separating the approach area from the beginning of the playing surface, is 60 feet from the head pin. (It is called the length of the bowling lane).
[Sport] The number of vertices on a regular soccer ball (truncated icosahedron), formed by 32 polygon pieces (12 pentagons and 20 hexagons) and a total of 90 edges.
[Sport] The regular playing time of an NFL (National Football League) game is 60 minutes, in four 15-minute quarters.
[Sport] The distance from home plate to backstop is at least 60 feet.
[Sport] The maximum length of a hockey stick (from heel to end).
[Sport] The PGA Tour’s Byron Nelson Award for lowest scoring average in a year requires playing a minimum of 50 rounds of PGA tournaments.
[Sport] The total regular playing time of a hockey match is 60 minutes: 3 playing periods, of 20 minutes each.
[Tech.] The outer radius (mm, millimeters) of a typical compact disk (CD), with inner radius 7.5 mm and thickness 1.0 mm. Its mass is 16 grams.
[Tech.] The frequency of the A.C. electrical power in the U.S. and Canada is 60 Hz (Hertz). (A.C. = alternating current).
[Tech.] The powers of commercial incandescent light bulbs: 300W, 100W, 75W, 60W, 40W, 30W, 15W, 7.5W and 3W..
[Tech.] Automobile tires used in the U.S. have aspect ratio (section height/section width) is 60, 70, 75 or 80 (%).
[Trivia] The 60th wedding anniversary is traditionally/modernly named diamond anniversary.
[World] The ISO country code for Bermuda is 060. (ISO-3166)
[Sport] The distance (60 feet 6 inches) between the pitching mound (pitcher’s box) to the home plate in professional baseball.