Number 88

A page of the Numeropedia - the Special Encyclopedia of Numbers

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[Astronomy]  The number of constellations declared by the International Astronomical Union (IAU) in 1930. No more constellations could be named. Twelve are in the zodiac, a backdrop against which the Sun and planets appear to travel.

[Chemistry]  The atomic number of Radium (Ra).

[Geology]  U.S. cities/towns: Eighty-Eight, Kentucky 42130.

[Library]  ISBN-88 is the International Standard Book Number for books published in Italian (Italy and Switzerland).

[Math.]  883 = 681,472 = (6+81+4+7+2)3 = 6+814+72)3

884 = 59,969,536 = (59+9+69+5+3+6)4.

[Math.]  7744 = 882.

[Math.]  An untouchable number. The sequence of the firstuntouchable numbers is: 2, 5, 52, 88, 96, 120…

[Math.]  88+209 = 297 and 88,209 = 2972 and 494+209 = 703 and 494,209 = 7032 and 297+703 = 1000.

[Math.]  1233 = 122+332 and 8823 = 882+332, where 12+88 = 100.

[Math.]

8×8+13 = 77

88×8+13 = 717

888×8+13 = 7117

8888×8+13 = 71117

88,888×8+13 = 711,117

888,888×8+13 = 7,111,117

8,888,888×8+13 = 71,111,117

88,888,888×8+13 = 711,111,117

888,888,888×8+13 = 7,111,111,117

8,888,888,888×8+13 = 71,111,111,117

...

[Math.]

9×9+(9–2) = 88

98×9+(9–3) = 888

987×9+(9–4) = 8,888

9,876×9+(9–5) = 88,888

98,765×9+(9–6) = 888,888

987,654×9+(9–7) = 8,888,888

9,876,543×9+(9–8) = 88,888,888

98,765,432×9+(9–9) = 888,888,888

987,654,321×9+(9–10) = 8,888,888,888

9,876,543,210×9+(9–11) = 88,888,888,888

98,765,432,099×9+(9–12) = 88,888,888,888 = 98,765,432,100×9–12.

[Movie] Name of TV show/series or movie: “88 Minutes”.

[Music] The number of keys of a modern piano, 52 white and 36 black keys.

[Phone]  The number to key in text messaging on telephone keypad for letter U.

[Phone]  The last 2 digits of an NANPA/U.S. area code cannot be the same, i.e. cannot be: 11, 22, 33, 44, 55, 66, 77, 88 or 99. (NANPA: North American Numbering Plan Administration).

[Sport]  LPGA’s “88-rule” stipulates that any non-LPGA player who doesn’t break 88 in a round is not allowed to finish the tournament or play in any other tournaments for the rest of the season.

[Tech.]  Octane (R+M)/2 antiknock index rating of unleaded gasoline for automobiles in the U.S.: 87, 88, 89, 90 and 91.

[Tech.]  An Oldsmobile car brand name: “Eighty Eight”.