Properties of the Number 22269

Twenty-Two Thousand Two Hundred Sixty-Nine

Basics

Value: 22268 → 22269 → 22270

Parity: odd

Prime: No

Previous Prime: 22259

Next Prime: 22271

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 571

Divisors: 1, 3, 13, 39, 571, 1713, 7423, 22269

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011011111101

Octal: 53375

Duodecimal: 10A79

Hexadecimal: 56fd

Square: 495908361

Square Root: 149.22801345591918

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) = (2·n - 1)*(3·n² - 3·n + 2)/2. A63491

Fibonacci sequence beginning 1, 8. A22098

Numbers that reach the fixed point 89 under iteration of f(x) = reverse(x) - maxdigit(x). A97155

Numbers of the form 68+p² (where p is a prime). A138691

a(n) = 3·a(n-1) - a(n-2) with a(0)=1, a(1)=9. A55849

(2,2)-block array, B(2,1), of the Wythoff array (A035513), read by descending antidiagonals. A361994

a(n) = n! * ∑_k=0..n (-1)^n-k * binomial(k+2,3) / k!. A368585

Least integer k such that k/2ⁿ > e. A293337

A093483(n) + 1. A117480

32-gonal numbers: a(n) = n*(15·n-14). A360436