Properties of the Number 56581

Fifty-Six Thousand Five Hundred Eighty-One

Basics

Value: 56580 → 56581 → 56582

Parity: odd

Prime: No

Previous Prime: 56569

Next Prime: 56591

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 59 × 137

Divisors: 1, 7, 59, 137, 413, 959, 8083, 56581

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110100000101

Octal: 156405

Duodecimal: 288B1

Hexadecimal: dd05

Square: 3201409561

Square Root: 237.86761023729144

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

Least positive k such that 10ⁿ + {k, k+2, k+6, k+8} are all prime. A121066

Nearest integer to 1/(A056580(n) - exp(sqrt(n)*π)). A56581