Properties of the Number 22499

Twenty-Two Thousand Four Hundred Ninety-Nine

Basics

Value: 22498 → 22499 → 22500

Parity: odd

Prime: No

Previous Prime: 22483

Next Prime: 22501

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 149 × 151

Divisors: 1, 149, 151, 22499

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111100011

Octal: 53743

Duodecimal: 1102B

Hexadecimal: 57e3

Square: 506205001

Square Root: 149.9966666296288

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

Products of 2 successive primes. A6094

Numbers that are the product of a pair of twin primes. A37074

a(n) = prime(2·n-1)*prime(2·n). A89581

a(n) = (4·n+1)*(4·n+3). A1539

a(n) = 36n² - 1. A136017

a(n) = A050376(n)*A050376(n+1) where A050376(n) is the n-th number of the form p^{2^k} with p is prime and k >= 0. A240521

Numbers k that form a primitive Pythagorean triple with k' and sqrt(k² + k'²), where k' is the arithmetic derivative of k. A210503

Lucas pseudoprimes. A217120

Semiprimes whose prime factors are of equal binary length and which differ from each other in one bit position only. A261073

Product of twin primes of form (4·k+1,4·k+3), k>0. A71697