480

[History]  Buddha was born in India in 563 B.C. and died in 480 B.C.

 

[Measure]  The number of paper sheets in a ream. Conveniently and commercially, it is now 500.

 

[Measure]  The number of minims in a fluid ounce.

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 grains in a troy ounce.

Units for precious metals weight measures: 1 troy pound = 12 troy ounces = 240 pennyweights = 5760 grains = 373 g (grams).

 

[Measure]  1 ounce apothecaries = 480 grains.

1 pound apothecaries = 12 ounces apothecaries = 96 drams apothecaries = 288 scruples = 5760 grains.

 

[Sport]  The number of dimples on a golf ball usually are: 252, 286, 332, 336, 360, 384, 392, 410, 416, 420, 422, 432, 440, 480, 492 or 500. (References [6])

 

[Tech.]  The “number system” code of an EAN-13 barcode for Philippines’ products.

 

[Tech.]  Volvo’s numbered series: 140 (142, 144, 145), 164, 240 (242, 244, 245), 260 (262, 264, 265), 340 (343, 345), 360, 440, 460, 480, 740, 760, 780, 850, 940 and 960. Digit 0 is replaced by the number of doors

 

[World]  The ISO-3166 country code for Mauritius.

 

481

[History] The height (feet) of the Great Pyramid of Giza, Egypt, near the city of Memphis, serving as a tomb for the Egyptian Pharaoh Khufu.

 

482

[Math.]  Square and cube of number 482 use different digits: 4822 = 232,324 and 4823 = 111,980,168.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Ukraine’s products.

 

483

[Math.]  12×483 = 5,796 = 42×138. Each equality uses each of 9 digits 1-9 once.

 

[Math.]  185,472 = 672×276 = 384×483.

 

484

[Math.] 

121 = 112

121×(1+2+1) = 484 = 222

12,321×(1+2+3+2+1) = 110,889 = 3332

1,234,321×(1+2+3+4+3+2+1) = 19,749,136 = 4,4442

123,454,321×(1+2+3+4+5+4+3+2+1) = 3,086,358,025 = 55,5552

12,345,654,321×(1+2+3+4+5+6+5+4+3+2+1) = 444,443,555,556 = 666,6662

1,234,567,654,321×(1+2+3+4+5+6+7+6+5+4+3+2+1) =

= 60,493,815,061,729 = 7,777,7772

123,456,787,654,321×(1+2+3+4+5+6+7+8+7+6+5+4+3+2+1) =

= 7,901,234,409,876,544 = 88,888,8882

12,345,678,987,654,321×(1+2+3+4+5+6+7+8+9 +8+7+6+5+4+3+2+1)

= 999,999,998,000,000,001 = 999,999,9992.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Moldova’s products.

 

[World]  The ISO-3166 country code for Mexico.

 

485

 [Tech.]   The “number system” code of an EAN-13 barcode for Armenia’s products.

 

486

[Library]  ISBN-0-486 is the International Standard Book Number for books published by Dover Publisher.

 

[Tech.]   Intel’s popular 486 (or 80486) CPU in the family of x86, launched in 1986.

 

[Tech.]   The “number system” code of an EAN-13 barcode for (the country) Georgia’s products.

 

487

[Math.]  A prime number.

 

[Tech.]  The “number system” code of an EAN-13 barcode for Kazakhstan’s products.

 

488

[Math.]   4883 = 116,214,272 = (11+62+1+4272)3.

 

489

[Tech.]  The “number system” code of an EAN-13 barcode for Hong Kong's products.

 

480-489

[Library]  Numbers 400-499 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Languages and Linguistics.  Numbers 480-489 are for books in Classical Greek.

 

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References [6]: Scientific American, I. Stewart, Mathematical Recreations, February 1997.