Properties of the Number 22251

Twenty-Two Thousand Two Hundred Fifty-One

Basics

Value: 22250 → 22251 → 22252

Parity: odd

Prime: No

Previous Prime: 22247

Next Prime: 22259

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7417

Divisors: 1, 3, 7417, 22251

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101011011101011

Octal: 53353

Duodecimal: 10A63

Hexadecimal: 56eb

Square: 495107001

Square Root: 149.1676908717166

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

Number of partitions of n that have odd sized Ferrers matrix. A238944

Number of compositions of n into distinct parts such that the difference between any two parts is at least two. A327710

a(n) = ∑_k=0..n σ(k² + 1), where σ(k) is the sum of divisors of k (A000203). A333172

Numbers n such that b(n)/n - 1/2 < 1/k for all k > n, where b(n) is A004001. A95899

Multiply-Add Recurrence Invariant (MARI) numbers. A121235

Numbers k such that (397·10^k + 53)/9 is prime. A295627

Squares visited by a knight on a spirally numbered board, moving always to the lowest available unvisited square, or one step back if no unvisited square is available. A323809

Gaussian binomial coefficients [ n,11 ] for q = 8. A22251