Properties of the Number 22808

Twenty-Two Thousand Eight Hundred Eight

Basics

Value: 22807 → 22808 → 22809

Parity: even

Prime: No

Previous Prime: 22807

Next Prime: 22811

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2851

Divisors: 1, 2, 4, 8, 2851, 5702, 11404, 22808

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100100011000

Octal: 54430

Duodecimal: 11248

Hexadecimal: 5918

Square: 520204864

Square Root: 151.0231770292229

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

Numbers k such that the numerator of Bernoulli(k)/k is (apart from sign) prime. A112548

Number of tilings of a 4 X n rectangle using right trominoes and 2 X 2 tiles. A165799

Numbers n such that numerator of Bernoulli(n)/n is (apart from sign) 1 or a prime. A119766

Numbers m such that A166133(m+1) = A166133(m)² - 1. A256703

Triangle read by rows: T(n, k) is the number of singular meanders with n intersections having k tangential intersections. A391919

Expansion of (theta₃(z)*theta₃(5z)+theta₂(z)*theta₂(5z))⁴. A28589

Fourth convolution of A001045(n+1) (generalized (1,2)-Fibonacci), n>=0, with itself. A73374

a(n) = S(n) + c(n) where S(n) = [ (3/2)ⁿ ] and c is the complement of S. A22808