Properties of the Number -5231

Two Hundred Thirty-One

Basics

Value: -5232 → -5231 → -5230

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5231

Divisors: 1, 5231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010001101111

Octal: -12157

Duodecimal: -303B

Hexadecimal: -146f

Square: 27363361

Square Root: 72.32565243397394

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

Initial members of prime triples (p, p+2, p+6). A22004

Primes of the form 2·k² + 29. A7641

Primes or negative values of primes in the sequence b(n) = 47·n² - 1701·n + 10181, n >= 0. A50267

Primes with first digit 5. A45711

Irregular triangle read by rows: T(n,k) is the number of binary pattern classes in the (7,n)-rectangular grid with k '1's and (7n-k) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other. A228166

Numbers k for which (10+k!)/10 is prime. A139071

Primes p such that p+2 and 2p+1 are also prime. A45536

Primes p with p + 2 and prime(p) + 2 both prime. A236458

Number of alternately co-strong integer partitions of n. A317256

T(n,k)=Number of zero-sum -k..k arrays of n elements with adjacent element differences also in -k..k. A202252