Numbers 270-279

A page of the Numeropedia - the Special Encyclopedia of Numbers

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q - ...

270

[EECS]  270(W, KW or MW) is one of standard numerical values for resistors (of tolerance class 5%). 270pF (picofarads) is one of standard numerical values for capacitors.

[Gov.]  The minimum number of electoral votes guaranteeing a majority winner in a U.S. Presidential Election, out of 538 electoral college votes.

[Math.]  sin(270o) = cos(180o) = tan(135o) = –1.

sin(0o) = sin(180o) = cos(90o) = cos(270o) = tan(0o) = tan(180o) = cot(90o) = cot(270o) = sinh(0) = tanh(0) = log(1) = 0.

[Tech.]  Automobile Tire’s Speed Rating

 Tire Rating L M N P Q R S Max. Speed (mph) Max. Speed (kph) 75 120 81 130 87 140 93 150 100 160 106 170 112 180 Tire Rating T U H V W Y Max. Speed (mph) Max. Speed (kph) 118 190 124 200 130 210 149 240 168 270 186 300

[World]  The ISO country code for Gambia. (ISO-3166)

271

[Math.]  A prime number, formed by the first 3 digits of the Euler's number e = 2.718281828459… (Also known as Napier's constant).

[Math.]  2713 = 19,902,511 = (1+9+9+0+251+1)3.

272

[Measure]  The number of square feet in a square rod is 272.25.

U.S. customary units for area measures: 1 acre = 160 square rods = 4,840 square yards = 43,560 square feet = 6,272,640 square inches = 4046.8564224 m2 & 1 square mile (1 section) = 640 acres = 2,589,988.11 m2 = 2.59 km2 = 259 hectares & 1 hectare = 2.471 acres = 10,000 m2 & 1 township = 36 square miles.

273

[Library]  ISBN-0-273 is the International Standard Book Number for books published by Pitman Publishing Inc.

[Math.]  Two consecutive sums of consecutive numbers: 36+37+…+41+42 = 43+44+…+47+48 = 273.

[Math.]  101,556 = 372×273 = 651×156.

[Math.]  Sum 273+546 = 819 is one of only 4 cases that the equality: n+2n = 3n use each of 9 digits 1-9 once: n = 192, 219, 273 and 327.

[Science]  The freezing point of water = 0 oC (Celsius or centigrade) = 32 oF (Fahrenheit) = 273.15 K (Kelvin).

[Science]  The thermodynamic temperature of the triple point of water, where water forms an interface of 3 phases: solid, liquid and vapor: 0.01 oC (Celsius or centigrade) = 273.16 K (Kelvin) = 32.018 oF (Fahrenheit).

274

275

[Geology]  Rainbow Bridge, southern Utah, is the largest natural sandstone bridge in the world, 290 feet high and 275 feet across. It was designated a national monument in 1910 by President Taft.

[World]  The ISO country code for Palestinian Territory. (ISO-3166)

276

[Math.]  A triangular number (sum of all integers from 1 to 23): 276 = 1+2+…+22+23.

[Math.]  185,472 = 672×276 = 384×483.

[World]  The ISO country code for Germany. (ISO-3166)

277

[Math.]  A prime number.

[Measure]  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 (cubic inches) & 1 (British imperial) gallon = 4.54609 liters = 1.201 (U.S.) gallons = 277.42inch3.

278…

279

[Trivia]  The longer side (mm, millimeters) of the U.S. standard paper size “Letter” (279 mm×216 mm or 11 in×8.5 in), comparable to the international standard paper size A4 (297 mm×210 mm).

-  The shorter side (mm, millimeters) of the U.S. standard paper size “Ledger/Tabloid” (17 in×11 in, 432 mm×279 mm).

270-279

[Library]  Numbers 200-299 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Religion and Theology. Numbers 270-279 are for books in Christian Church History.

200-299

[Education]  The numbers commonly assigned for graduate courses in most U.S. universities and colleges.