Properties of the Number 55931

Fifty-Five Thousand Nine Hundred Thirty-One

Basics

Value: 55930 → 55931 → 55932

Parity: odd

Prime: Yes

Previous Prime: 55927

Next Prime: 55933

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 55931

Divisors: 1, 55931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101101001111011

Octal: 155173

Duodecimal: 2844B

Hexadecimal: da7b

Square: 3128276761

Square Root: 236.49735727910365

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

Lesser of twin primes for which φ(p-1) < φ(p+1). A286715

Primes p of the form k*(k + 1) - 1 such that p and p + 2 are twin primes. A88486

Expansion of (1-4x+12x²-16x³+8x⁴)/(1-x)⁵. A119327

a(0) = 1, a(n) = 1 + 2·3 + 4·5 + 6·7 + ... + (2n)*(2n+1) for n > 0. A98931

Primes p such that p + 2, 18·p² + 1, and 18*(p+2)² + 1 are all primes. A115272

Smallest of four consecutive primes whose average is a triangular number. A226155

Primes p such that q² - p² + 1 is the square of a composite number where p and q are consecutive primes. A316934

Product of the digits of n divides the sum of the digits of n. A55931