311 info

311. It's the 64th prime number, forming a twin prime with 313. It can not be written as the sum of three squares. Is equal to 2^8 + 55. It is 100110111 in binary and 21b in base twelve. It is the non-emergency police number in most regions of US and Canada. It was a year starting on a Monday, and was the year when Pope Miltiades succeeded Pope Eusebius. It can be expressed as the sum of three consecutive primes (101+103+107), five consecutive primes (53+59+61+67+71), seven consecutive primes (31+37+41+43+47+53+59), and eleven consecutive primes (11+13+17+19+23+29+31+37+41+43+47). It is CCCXI in roman numerals, 102112 in base 3, 10313 in base 4, 2221 in base 5, 1235 in base 6, 467 in base 8, and 137 in hexadecimal. It is a positive real integer with three digits. It is equal to the concatenation of three and eleven, or thirty one and one, or three and one and one. As you may be able to tell, I'm running out of 311 facts. Here's 311 in unary: 11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111