Properties of the Number 975

Nine Hundred Seventy-Five

Basics

Value: 974 → 975 → 976

Parity: odd

Prime: No

Previous Prime: 971

Next Prime: 977

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ² × 13

Divisors: 1, 3, 5, 13, 15, 25, 39, 65, 75, 195

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1111001111

Octal: 1717

Duodecimal: 693

Hexadecimal: 3cf

Square: 950625

Square Root: 31.22498999199199

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Triangular matchstick numbers: a(n) = 3·n*(n+1)/2. A45943

The convolution matrix of the double factorial of odd numbers (A001147). A35342

List of codewords in binary lexicode with Hamming distance 4 written as decimal numbers. A75928

Numbers k such that φ(k) = φ(k+1). A1274

Double-bitters: only even length runs in binary expansion. A1196

Numbers that are the sum of 7 positive 5th powers. A3352

Numbers whose prime indices cannot be partitioned into constant blocks with distinct sums. A381636

Number of integer partitions of n without any three parts (a,b,c) (repeats allowed) satisfying a + b = c. A variation of sum-free partitions. A364345

Numbers whose negated unsorted prime signature is not unimodal. A332642

Expansion of g.f. (1 + x + 2·x²)/((1 - x)²*(1 - x³)). A969