## Wednesday, June 9, 2010

### 1137

1137 = 3 x 379.

1137 is the product of two primes, as are 1136 (24 x 71) and 1138 (2 x 569).

1137 is a semiprime (product of two distinct primes), as are 1139 (17 x 67) and 1141 (7 x 163).

1137 is the maximum value of n so that there exist seven denominations of stamps so that every postage from 1 to n can be paid for with at most seven stamps (postage stamp problem). It is also the solution to the postage stamp problem for n denominations and seven stamps, for n = 7.

1137 in base 2 (binary) is palindromic: 10001110001.

1137 is 696 in base 13 and 393 in base 18.
Atlantic Records 1957 release 45-1137 featured "Rakin and Scrapin" by Dean Beard and the Crew Cats.

Anonymous said...

1137 es una terna pitagorica de la forma 1137^2+646384^2=646385^2
1137 es un entero gaussiano.
1137 tiene factorizaciĆ³n no unica en los cuerpos cuadraticos:
1137=(1^2+2*1^2)(19^2+2*3^2) en cuerpos imaginarios.
1137=(3^2-6*1^2)(28^2-5*9^2) en los cuerpos reales.
1137 en la funcion y^2=x^n+z^2 tiene como representacion
735585561^2=1137^5+734292792^2
Rafael Parra de Barcelona

Anonymous said...

1137 es una terna pitagorica de la forma 1137^2+646384^2=646385^2
1137 es un entero gaussiano.
1137 tiene factorizaciĆ³n no unica en los cuerpos cuadraticos:
1137=(1^2+2*1^2)(19^2+2*3^2) en cuerpos imaginarios.
1137=(3^2-6*1^2)(28^2-5*9^2) en los cuerpos reales.
1137 en la funcion y^2=x^n+z^2 tiene como representacion
735585561^2=1137^5+734292792^2
Rafael Parra de Barcelona