Properties of the Number 22621

Twenty-Two Thousand Six Hundred Twenty-One

Basics

Value: 22620 → 22621 → 22622

Parity: odd

Prime: Yes

Previous Prime: 22619

Next Prime: 22637

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 22621

Divisors: 1, 22621

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100001011101

Octal: 54135

Duodecimal: 11111

Hexadecimal: 585d

Square: 511709641

Square Root: 150.4027925272666

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

Expansion of 1/((1-x)*(1-12·x)). A16125

a(n) = n⁴ + n³ + n² + n + 1. A53699

Triangle of Gaussian binomial coefficients [ n,k ] for q = 12. A22176

Primes of the form k⁴ + k³ + k² + k + 1. A88548

q-Fibonacci numbers for q=12, scaling a(n-2). A15470

Smallest primitive prime factor of 12ⁿ-1. A252170

Numbers whose square is palindromic in base 12. A29737

Sums of distinct powers of 12. A33048

Primes of the form 1 + n + n² + n³ + ... + n^k, n > 1, k > 1 where n is not prime. A285017

Primes having only {1, 2, 6} as digits. A385774