Properties of the Number -22945

Twenty-Two Thousand Nine Hundred Forty-Five

Basics

Value: -22946 → -22945 → -22944

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 13 × 353

Divisors: 1, 5, 13, 65, 353, 1765, 4589, 22945

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101100110100001

Octal: -54641

Duodecimal: -11341

Hexadecimal: -59a1

Square: 526473025

Square Root: 151.47607071745688

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

Centered tetrahedral numbers. A5894

Numbers that are the sum of 4 positive 7th powers. A3371

Pseudoprimes to base 7. A5938

Numbers of the form p·q*r where p, q, r are distinct primes congruent to 1 mod 4 such that Legendre(p/q) = Legendre(p/r) = Legendre(q/r) = -1. A323271

C(2·n+4,4)-C(2·n,4). A85474

Values m₀ = 0, m₁, m₂, ... associated with divergent series T shown below. A92324

a(n) = (2·n+1)*(11·n+1). A33575

Numbers of the form 4^j + 9^k, for j and k >= 0. A226828

Numbers z such that x² + y⁸ = z² (with positive integers·and y) and gcd(x, y, z) = 1. A293695

Least number requiring the base n to produce a prime by base reversal. A75244