Properties of the Number 72591

Seventy-Two Thousand Five Hundred Ninety-One

Basics

Value: 72590 → 72591 → 72592

Parity: odd

Prime: No

Previous Prime: 72577

Next Prime: 72613

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 24197

Divisors: 1, 3, 24197, 72591

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101110001111

Octal: 215617

Duodecimal: 36013

Hexadecimal: 11b8f

Square: 5269453281

Square Root: 269.4271701220944

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

a(1) = a(2) = a(3) = 1; for n>2, a(n+1) = a(n) + a(n-1) + a(n-2) iff a(n) is prime, otherwise a(n+1) = a(n) + 1. A113058

a(n) = binomial(n+3, 4) + binomial(n+1, 3) + 1. A368881

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS. A242878

In prime factorization of n replace multiplication with bitwise logical 'and'. A72591