Properties of the Number -22817

Twenty-Two Thousand Eight Hundred Seventeen

Basics

Value: -22818 → -22817 → -22816

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 22817

Divisors: 1, 22817

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -101100100100001

Octal: -54441

Duodecimal: -11255

Hexadecimal: -5921

Square: 520615489

Square Root: 151.0529708413575

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 f(-x) * ψ(x²) * φ(x³) / f(-x³)³ in powers of·where φ(), ψ(), f() are Ramanujan θ functions. A230256

Primes of the form n² + 16. A243451

Primes p such that q-p = 36, where q is the next prime after p. A134117

Least prime of the form prime(n)² + k², or 0 if none. A240130

Odd numbers m that are neither of the form p + 2^k nor of the form p - 2^k with 2^k < m, k >= 1, and p prime. A255967

Primes which remain prime after one and after two applications of the rotate-and-add operation of A086002. A86003

K-bit primes p such that p-2ⁱ and p+2ⁱ are composite for 0<=i<=K-1. A153352

Prime(n) and prime(n+4) use the same digits. A69796

Constant term in the reduction of the polynomial (2·x+1)ⁿ by x³ -> x² + x + 1. See Comments. A192814

Primes p₁ where products m of k = 5 consecutive primes p₁..p_k are such that only p₁ < m^1/k. A376136