Properties of the Number 72251

Seventy-Two Thousand Two Hundred Fifty-One

Basics

Value: 72250 → 72251 → 72252

Parity: odd

Prime: Yes

Previous Prime: 72229

Next Prime: 72253

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 72251

Divisors: 1, 72251

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101000111011

Octal: 215073

Duodecimal: 3598B

Hexadecimal: 11a3b

Square: 5220207001

Square Root: 268.7954612712052

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

Coefficient of q² in ν(n), where ν(0) = 1, ν(1) = b and, for n >= 2, ν(n) = b*ν(n-1) + λ*(1 + q + q² + ... + q^{n - 2})*ν(n-2) with (b,λ) = (2,1). A74085

Prime in the middle of a list of 7 consecutive primes such that each of them is a member of a twin pair. A227063

Primes of the form 10n² + 1. A201709

Twin primes belonging to packs of four or more twin pairs. A68220

Prime(k) such that each of the three preceding and also each of the three following primes are twin primes. A227323

Nearest integer to the product of all integer roots of n from the second to the n-th. A330153

(3·a(n)+1)/2^{2·n + 1} = 23-6·n. A72251