Properties of the Number 22147

Twenty-Two Thousand One Hundred Forty-Seven

Basics

Value: 22146 → 22147 → 22148

Parity: odd

Prime: Yes

Previous Prime: 22133

Next Prime: 22153

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 22147

Divisors: 1, 22147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011010000011

Octal: 53203

Duodecimal: 10997

Hexadecimal: 5683

Square: 490489609

Square Root: 148.81868162297366

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

Coordination sequence for (2,6,6) tiling of hyperbolic plane. A265069

Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 4,2]; short d-string notation of pattern = [642]. A78855

Primes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255208

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

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

Primes p such that p+p²+p³-+2 are also prime. A154821

Primes p such that 8·p²-2·p-1 divides Fibonacci(p). A159231

Pseudo-random numbers: gcc 2.6.3 version for 32-bit integers. A84276

Primes p that p//13 and p//31 are consecutive primes. A176601

Primes p for which ∑_{1 <= n < p} (n!|p) == 0 (mod p), where (n!|p) is the Legendre symbol. A131652