Properties of the Number 72531

Seventy-Two Thousand Five Hundred Thirty-One

Basics

Value: 72530 → 72531 → 72532

Parity: odd

Prime: No

Previous Prime: 72503

Next Prime: 72533

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 8059

Divisors: 1, 3, 9, 8059, 24177, 72531

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10001101101010011

Octal: 215523

Duodecimal: 35B83

Hexadecimal: 11b53

Square: 5260745961

Square Root: 269.315799759316

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

Number of maximal 1-intersecting families of 3-sets of [n]={1,2,...,n}. A318112

Number of primes p < n such that n divided by p leaves a 1 or a composite (nonzero) remainder. A72531