910      

[Tech.]  One of standard numerical values for resistors (of tolerance class 5%) and for capacitors.

 

911      

[History]  The histrorical date “9/11” referred to the tragedy date 09/11/2001 when the U.S. homeland was attacked by terrorists.

 

[Math.]  A prime number.

 

[Movie]  Names of TV shows/series/movies: “Reno911!: Miami”, “K-911”, Fahrenheit 9/11 and FahrenHype 9/11.

 

[Phone]  The emergency telephone number dialing within the U.S., Canada, Brazil (previously, 190), Costa Rica, El Salvador (previously 121), Tonga and other American territories.

 

[Phone]  The emergency telephone numbers dialing within Uruguay and Montserrat are 911 and 999.

 

[Phone]  The emergency telephone number dialing within Botswana are 911 and 997.

 

[Phone]  The emergency telephone number dialing within Fiji  are 911 and 000.

 

[Phone]  A 7-digit number after an NANPA/U.S. 3-digit area code cannot start with 0nm, 1nm or 8 other 3-digit numbers: 211, 311, 411, 511, 611, 711, 811 and 911. (NANPA: North American Numbering Plan Administration).

 

912...

 

913 & 914

[Math.]  Squares of 2 consecutive numbers that use the same digits: 

9132 = 833,569 and 9142 = 835,396. (Others: 132 & 142 and 1572 & 1582).

 

914

[Measure]  1 yard = 914.4 mm (millimeters).

(U.S. customary and metric units for linear measures).

 

915

[Tech.]  Microwave ovens operate at frequency ranges of either 890-915 MHz or 2400-2500 MHz.

 

916...

 

917...

 

918

[Math.]   9182 = 842,724 = (842+72+4)2.

           

 919      

[Math.]  An absolute prime number (or permutable/circular prime number): all 3 numbers 919, 199 and 991 are prime or in fact, absolute prime. A palindromic prime number.

 

[Math.]  919 = 13+43+53+93 and 1459 = 93+13+93.

 

910-919

[Library]  Numbers 900-999 are the first 3 digits in Dewey Decimal Classification System call numbers for library books in History and Geography. Numbers 910-919 are for books in Travel and Geography.