Properties of the Number 15131

Fifteen Thousand One Hundred Thirty-One

Basics

Value: 15130 → 15131 → 15132

Parity: odd

Prime: Yes

Previous Prime: 15121

Next Prime: 15137

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 15131

Divisors: 1, 15131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11101100011011

Octal: 35433

Duodecimal: 890B

Hexadecimal: 3b1b

Square: 228947161

Square Root: 123.0081298126266

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

Primes of the form k² + 2. A56899

Primes p whose period of reciprocal equals (p-1)/5. A56210

Omit the 1's from Rowland's sequence f(n) - f(n-1) = gcd(n,f(n-1)), where f(1) = 7. A137613

Primes having only {1, 3, 5} as digits. A260224

a(n) = A163617(A110240(n)) = A110240(n) OR 2·A110240(n). A328104

Primes p whose Zeckendorf-expansion A014417(p) is palindromic. A95730

Collatz (or 3x+1) trajectory starting at 10087. A161022

a(n) = floor((n+1/n)⁴). A197603

Primes that remain prime through 3 iterations of function f(x) = 6x + 1. A23287

a(0) = 0, a(1) = 1, a(n) = a(n-2)*a(n-2) + 2 for n > 1. A65653