1088

1088 is a natural number that follows 1087 and precedes 1089. In mathematics, it is even and composite, with prime factorization 2^6 × 17.

Its divisors are 1, 2, 4, 8, 16, 32, 64, 17, 34, 68, 136, 272, 544, and 1088. In different bases, 1088 is represented as binary 10001000000, octal 2100, and hexadecimal 0x440.

1088 is a Harshad number in base 10 because the sum of its digits is 1 + 0 + 8 + 8 = 17, and 1088 ÷ 17 = 64. It can be written as a sum of two squares: 32^2 + 8^2 (1024 + 64 = 1088).

In the calendar year 1088 CE, Pope Urban II was elected pope, beginning a papacy that would later launch the First Crusade in 1095. The period is also associated with the early formation of the University of Bologna, which is frequently dated to around 1088.

The number is written in Roman numerals as MLXXXVIII.