Properties of the Number 55831

Fifty-Five Thousand Eight Hundred Thirty-One

Basics

Value: 55830 → 55831 → 55832

Parity: odd

Prime: No

Previous Prime: 55829

Next Prime: 55837

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 31 × 1801

Divisors: 1, 31, 1801, 55831

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101101000010111

Octal: 155027

Duodecimal: 28387

Hexadecimal: da17

Square: 3117100561

Square Root: 236.28584384173337

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

Odd integers n such that 2ⁿ == 2⁶ (mod n). A215610

Divisors of 2⁵⁰ - 1. A3554

Product of lowest and highest prime factors of 2ⁿ-1. A249780

Strong pseudoprimes to base 54. A20280

Strong pseudoprimes to base 74. A20300

Divisors of 2²⁵ - 1. A3533

Numbers 2·k+1 for which numbers A006694(k) are record values for A006694. A139208

a(n) is the smallest semiprime such that difference between a(n) and next semiprime, b(n), is n. A131109

T(n,n-4), where T is the array in A055830. A55831

Numbers k for which A319100(k) sets a new record. A307251