Numbers 80-89

A page of the Numeropedia - the Special Encyclopedia of Numbers

[80-89]80 - 81 - 82 - 83 - 84 - 85 - 86 - 87 - 88 - 89

All Numbers  &  [0-9]  & 10-19  20-29  30-39  40-49  50-59  60-69  70-79  80-89  90-99  100

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

(For separate numbers: 80 - 81 - 82 - 83 - 84 - 85 - 86 - 87 - 88 - 89)

 

80--89

[Language]  Octogenarian is a person whose age is 80 to 89 years old.

 

[Sport]  The jersey numbers most usually worn by American football players in the wide receivers and tight-end positions. Wide receivers are now allowed to wear number 10-19, too

 

87, 88 & 89 (and 90 & 91)

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

 

080-089

[Library]  Numbers 000-099 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in Generalities (Bibliographies, Encyclopedias, Magazines and Computer Science…). Numbers 080-089 are for books in General Collections.