Properties of the Number 13222

Thirteen Thousand Two Hundred Twenty-Two

Basics

Value: 13221 → 13222 → 13223

Parity: even

Prime: No

Previous Prime: 13219

Next Prime: 13229

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 601

Divisors: 1, 2, 11, 22, 601, 1202, 6611, 13222

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001110100110

Octal: 31646

Duodecimal: 779A

Hexadecimal: 33a6

Square: 174821284

Square Root: 114.98695578194946

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 k²⁵⁶ + 1 is prime. A56995

Expansion of ∏_k>=1 1/(1-x^k+5)^k. A263361

a(n) = 10000·log₁₀(n) rounded down. A4228

Numbers that are the sum of an emirp and its reversal in more than one way. A345408

a(n) = 10000·log₁₀(n) rounded to the nearest integer. A4229

a(n) is the smallest number representable in exactly n ways as a sum of 2 palindromes (each of them >= 0). A115336

First differences of A293230: how many more alive nodes there are in generation n+1 than in generation n in the binary tree of persistently squarefree numbers. A293440

Expansion of (x²*(3·x - 1))/((x - 1)⁴*(x + 1)). A391994

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 510", based on the 5-celled von Neumann neighborhood. A272700

Number of planar n X n X n binary triangular grids symmetric under 120 degree rotation with no more than 4 ones in any 5 X 5 X 5 subtriangle. A153935