Properties of the Number 22456

Twenty-Two Thousand Four Hundred Fifty-Six

Basics

Value: 22455 → 22456 → 22457

Parity: even

Prime: No

Previous Prime: 22453

Next Prime: 22469

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 7 × 401

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 401, 802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011110111000

Octal: 53670

Duodecimal: 10BB4

Hexadecimal: 57b8

Square: 504271936

Square Root: 149.85326155943352

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) is the solution to the postage stamp problem with 5 denominations and n stamps. A1210

T(n,k) = 12·A046802(n,k) - 9·A008518(n,k) - 2·A007318(n,k), triangle read by rows (0 <= k <= n). A168293

Number of subgroups of the group C_n X C_n X C_n (where C_n is the cyclic group of order n). A64803

Triangle of Arnold L(b) for Springer numbers. A256665

Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301968

Numbers k such that 403·2^k+1 is prime. A323101

Number of n-element groupoids with an identity, considered to be equivalent when they are isomorphic or anti-isomorphic (by reversal of the operator). A90600

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301964

Expansion of 1/((1-x)*(1-5·x)*(1-7·x)*(1-12·x)). A22456

Lesser of twin balanced primes (A090403). A96694