Numbers 1200-1299

A page of the Numeropedia - the Special Encyclopedia of Numbers

1000-1099    1100-1199    1200-1299   1300-1399   1400-1499 

1500-1599    1600-1699   1700-1799    1800-1899   1900-1999

All Numbers  &  [1K…) * [2K…) * [3K…) * [4K…) * [5K…) * [6K…) * [7K…) * [8K…) * [9K…)  & [10K] & [100K]

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

1,200

[Calendar]  The last year of the 12th century.

 

[EECS]  1.2K(W) is one of standard numerical values for resistors (of tolerance class 5%).

 

[Geology]  The St. Helena Islands in Atlantic ocean is the most isolated islands in the world, approximately 1200 miles (1930 km) from the nearest continent.

 

[Tech.]  One of standardized baud rate (bits per second) in electronic data transmissions.

 

1,201

[Calendar]  The first year of the 13th century.

 

[Math.]  A sequence of consecutive reversible prime numbers:  1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249 and 1259.

 

1,206

[History]  The year Genghis Khan began creation of the largest land empire, Mongolia, in history.

 

1,209

[Math.] 

13×93 = 1,209 = 31×39

26×93 = 2,418 = 62×39

13×62 =    806 = 31×26.

 

1,209

[Tech.]  The Dual Tone Multi-Frequency (DTMF) Keypad 

Frequency

1209 Hz

1336 Hz

1477 Hz

1633 Hz

697 Hz

1

2

3

A

770 Hz

4

5

6

B

852 Hz

7

8

9

C

941 Hz

*

0

#

D

 

1,210-1229 (separate page)

            

1,230-1249 (separate page)

 

1,250-1279 (separate page)                     

 

1,280-1299 (separate page)