Properties of the Number 22490

Twenty-Two Thousand Four Hundred Ninety

Basics

Value: 22489 → 22490 → 22491

Parity: even

Prime: No

Previous Prime: 22483

Next Prime: 22501

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 13 × 173

Divisors: 1, 2, 5, 10, 13, 26, 65, 130, 173, 346

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011111011010

Octal: 53732

Duodecimal: 11022

Hexadecimal: 57da

Square: 505800100

Square Root: 149.96666296213968

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

Fibonacci(p-J(p,5)) mod p², where p is the n-th prime and J is the Jacobi symbol. A113650

Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=|x-y|+|y-z|. A212570

Multiplicative orders of 2+-i modulo p == 3 (mod 4) that are congruent to 2 modulo 4. A385218

a(n) = 100·n² - 10. A158490

Numbers k that are the product of four distinct primes such that x²+y² = k has integer solutions. A248712

Binomial transform of reflected pentanacci numbers A074062: a(n) = ∑_k=0..n binomial(n,k)*A074062(k). A74825

a(n) = 225·n² - n. A156813

a(n) = 900·n² - 2·n. A158408

Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways. A225104

Number of compositions of n into parts 1, 7, and 8. A276106