Properties of the Number 22257

Twenty-Two Thousand Two Hundred Fifty-Seven

Basics

Value: 22256 → 22257 → 22258

Parity: odd

Prime: No

Previous Prime: 22247

Next Prime: 22259

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2473

Divisors: 1, 3, 9, 2473, 7419, 22257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011110001

Octal: 53361

Duodecimal: 10A69

Hexadecimal: 56f1

Square: 495374049

Square Root: 149.18780110987626

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

Sum of first k numbers in column k of the natural number array A000027; by antidiagonals. A185787

a(1)=0, and a(n+1) is the position of first occurrence of a(n) in the decimal expansion of 1/π. A98319

Expansion of ∏_{i>0, j>0, k>0} 1/(1 - x^{i² + j² + k²}). A321433

Number of ways to write n as an ordered sum of nine powers of 2. A342252

Number of tilings of a 3 X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles. A219968

a(n) = floor(7⁷/n). A57069

Numbers n with property that n² starts and ends with 49. A159815

The number of hanging vertically stable self-avoiding walks of length n on a 2D square lattice where only the nodes have mass. A335307

Expansion of g.f. x*(21 + 123·x + 129·x² + 4·x³ + 129·x⁴ + 123·x⁵ + 21·x⁶)/((1 - x)³*(1 + x + x² + x³)²). A377166

Numbers of the form 56+p² (where p is a prime). A138690