9145

9145 is a positive integer that follows 9144 and precedes 9146. In decimal notation it is written as 9145.

Mathematics: 9145 is an odd composite number. Its prime factorization is 5 × 31 × 59, which yields eight positive divisors: 1, 5, 31, 59, 155, 295, 1829, and 9145. The sum of its digits is 19, so it is not divisible by 3 or 9. It is divisible by 5 because its last digit is 5. In modular arithmetic, 9145 ≡ 1 (mod 4) and 9145 ≡ 1 (mod 6).

Representations in other bases: In binary, 9145 is 10001110111001. In hexadecimal, 9145 is 0x23B9. In octal, 9145 is 21671.

Context and usage: As a four-digit decimal number, 9145 appears in various mathematical and practical contexts such as catalog numbers, identifiers, or data labels. It does not correspond to a widely known mathematical constant or famous sequence on its own, but its factorization and base representations are straightforward to derive from standard arithmetic.

See also: integers and their factorization, base conversions, and representations of numbers in different numeral systems.