Properties of the Number 22543

Twenty-Two Thousand Five Hundred Forty-Three

Basics

Value: 22542 → 22543 → 22544

Parity: odd

Prime: Yes

Previous Prime: 22541

Next Prime: 22549

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 22543

Divisors: 1, 22543

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100000001111

Octal: 54017

Duodecimal: 11067

Hexadecimal: 580f

Square: 508186849

Square Root: 150.14326491721167

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

Balanced primes of order four. A82079

Numerators of the fractional coefficients of the square-root of the prime power series: ∑_n=0..inf p_n xⁿ, where p_n is the n-th prime and p₀ is defined to be 1. A73749

The number of vertices inside a cross with width 3 and height n (see Comments in A331455 for definition) formed by the straight line segments mutually connecting all vertices and all points. A330850

Largest prime number p such that xⁿ + yⁿ mod p does not take all values on Z/pZ. A355920

Pisot sequence T(2,5), a(n) = floor(a(n-1)²/a(n-2)). A18914

Numbers n such that n²⁰⁴⁸ + (n+1)²⁰⁴⁸ is prime. A274235

a(n) = 78·n² + 1. A158769

Positive integers that have exactly ten representations of the form 1 + p1 * (1 + p2* ... * (1 + p_j)...), where [p1, ..., p_j] is a (possibly empty) list of distinct primes. A317400

Primes congruent to 34 mod 61. A142832

n is prime and is the sum of the first k primes for some k, start from 5. A155851