2975

2975 is a natural number that appears in the sequence of integers. It sits between 2974 and 2976. The number is odd and composite.

Prime factorization: 2975 = 5^2 × 7 × 17. Its positive divisors are 1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, and 2975, for a total of 12 divisors.

Arithmetic properties: The sum of divisors σ(2975) = 4464, so the sum of proper divisors is 1489, indicating that 2975 is a deficient number. It is congruent to 2 modulo 3 and to 0 modulo 5 (since it ends in 5).

Numeral representations: In Roman numerals, MMCMLXXV. In binary, 101110011111. In octal, 5637. In hexadecimal, B9F.

In calendars and culture, 2975 may designate a year in the Gregorian calendar, either in the AD era or as a hypothetical year in the distant future. As a number, its factorization and divisor structure place it among the many composite integers used in number theory to illustrate ideas about divisors, modular arithmetic, and numeral systems.