Properties of the Number 72557

Seventy-Two Thousand Five Hundred Fifty-Seven

Basics

Value: 72556 → 72557 → 72558

Parity: odd

Prime: No

Previous Prime: 72551

Next Prime: 72559

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 37 ² × 53

Divisors: 1, 37, 53, 1369, 1961, 72557

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101101101101

Octal: 215555

Duodecimal: 35BA5

Hexadecimal: 11b6d

Square: 5264518249

Square Root: 269.3640659033792

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

Column 2 of triangle A370041. A370155

Let w(n) be defined by the following recurrence: w(1)=w(2)=w(3)=1, w(n)=(w(n-1)*w(n-2)+(w(n-1)+w(n-2))/3) / w(n-3); sequence gives values of n such that w(n) is an integer. A72557