Properties of the Number 22830

Twenty-Two Thousand Eight Hundred Thirty

Basics

Value: 22829 → 22830 → 22831

Parity: even

Prime: No

Previous Prime: 22817

Next Prime: 22853

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 761

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 761, 1522

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100100101110

Octal: 54456

Duodecimal: 11266

Hexadecimal: 592e

Square: 521208900

Square Root: 151.09599597606814

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

Third differences of fifth powers (A000584). A101096

Let m = n-th squarefree number = A005117(n), and consider the smallest pair of consecutive squarefree numbers (r,s) with gcd(r,s) = m; sequence gives values of r. A109473

Consider the smallest pair of consecutive squarefree numbers (r,s) with gcd(r,s) = n; sequence gives values of r, or -1 if n is not squarefree. A109505

a(n) = 60·n² + 180·n + 150. A69477

Expansion of e.g.f. (1 + 2·x) * exp(x) / (sec(x) + tan(x)). A337444

A Seidel matrix A(n,k) read by antidiagonals upwards. A323833

a(n) = -[ n/2 ] + a([ n/2 ]) + a([ n/3 ]) + . . . + a([ n/n ]). A22830

Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00000101. A259949

Table read by antidiagonals: T(h,n) is the number of n-step self avoiding walks on a 2D square grid confined to an infinite strip of height 2h where the walk starts at coordinate (0,h). A336988