What is 1156?

1156 is a four-digit number. It is an odd number and not a prime number. Its factors are 1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, and 1068. In Roman numerals, 1156 is expressed as MCLVI. In the binary system, it is written as 10010000100. It is also the year that King Baldwin III of Jerusalem was born.