Properties of the Number 22919

Twenty-Two Thousand Nine Hundred Nineteen

Basics

Value: 22918 → 22919 → 22920

Parity: odd

Prime: No

Previous Prime: 22907

Next Prime: 22921

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 13 × 41 × 43

Divisors: 1, 13, 41, 43, 533, 559, 1763, 22919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100110000111

Octal: 54607

Duodecimal: 1131B

Hexadecimal: 5987

Square: 525280561

Square Root: 151.39022425506872

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

a(n) = n*(n+2)*(n-2)/3. A77415

Number of different strings of length n+4 obtained from "123...n" by iteratively duplicating any substring. A137741

a(n) = (2·n+1)*(2·n+3)*(2·n+5)/3. A162540

Nonsemiprimes in A306097 = A121707 \ A267999. A321488

Least area/6 of primitive Pythagorean triangles with even leg 4n. A96898

Riordan array (((1+x)/(1-x-x²))^m, x·A000108(x)), m=2. A185676

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 221", based on the 5-celled von Neumann neighborhood. A270936

Multinomial coefficients(TOP, BOTTOM), where TOP = n², BOTTOM = ( 1 3 5 ... 2n-1 ). A22919