Properties of the Number 22451

Twenty-Two Thousand Four Hundred Fifty-One

Basics

Value: 22450 → 22451 → 22452

Parity: odd

Prime: No

Previous Prime: 22447

Next Prime: 22453

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 11 × 13 × 157

Divisors: 1, 11, 13, 143, 157, 1727, 2041, 22451

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011110110011

Octal: 53663

Duodecimal: 10BAB

Hexadecimal: 57b3

Square: 504047401

Square Root: 149.8365776437783

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 (weakly) unimodal compositions of n where all parts 1, 2, ..., m appear where m is the largest part. A227038

a(n) = ∑_i=0..n digsum₅(i)⁴, where digsum₅(i) = A053824(i). A231671

Numbers m such that 6m+1, 12m+1, 18m+1, 36m+1 and 72m+1 are all prime. A257035

Structured disdyakis triacontahedral numbers (vertex structure 5). A100160

G.f.: ∏_k>=1 (1 + x^k*(k+1/2)) / (1 - x^k). A280421

Pisot sequence T(6,10), a(n) = floor(a(n-1)²/a(n-2)). A20741

Number of 3 X n binary matrices such that any 2 rows have a common 1, up to column permutations. A52387

a(n) = (10·n+3)*(10·n+17). A152579

a(1) = 3; a(n+1) = a(n)-th composite. A22451