Numbers 20-29

A page of the Numeropedia - the Special Encyclopedia of Numbers

[20-29]20 - 2122 - 2324 - 25 - 262728 - 29

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: 20 - 2122 - 2324 - 25 - 262728 - 29)

 

20-29 & 30-39 & 40-49

[Sport]  The jersey numbers most usually worn by American football players in the running backs, cornerbacks and safeties positions.

  

20-29

The “number system” code of an EAN-13 barcode for local in-store functions.

 

20, 22, 25 & 29

[Zip]  The values of the US non-denominated first-class postage stamps and later values, for the first ounce, starting 14 September 1975 at 10¢ to 44¢, in May 2009.  

Series

 *

A

B

C

D

E

F

G

H

 *

 *

 *

 *

 *

Value (¢)

10

13

15

18

20

22

25

29

32

33

34

37

39

41

42

44

 

21, 22, 23 & 24

[History]  The 22nd and 24th U.S. President: Stephen Grover Cleveland (Democrat, New Jersey, 1885-1889 and 1893-1897). His Vice President of the 22nd Presidency, Thomas Andrews Hendricks (Indiana, 1885), was the 21st U.S. Vice President.  There was no Vice President in the period 1885-1889.  His Vice President of the 24th Presidency, Adlai Ewing Stevenson (Illinois, 1893-1897), was the 23rd U.S. Vice President.

 

22 & 23

[History]  The 23rd U.S. President: Benjamin Harrison (Republican, Ohio, 1889-1893). His Vice President, Levi Parsons Morton (New York), was the 22nd U.S. Vice President.

 

020-029 

[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 020-029 are for books in Library and Information Science.