Properties of the Number 23211

Twenty-Three Thousand Two Hundred Eleven

Basics

Value: 23210 → 23211 → 23212

Parity: odd

Prime: No

Previous Prime: 23209

Next Prime: 23227

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 2579

Divisors: 1, 3, 9, 2579, 7737, 23211

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101101010101011

Octal: 55253

Duodecimal: 11523

Hexadecimal: 5aab

Square: 538750521

Square Root: 152.35156710713545

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 such that the digital sum base 2 and the digital sum base 3 and the digital sum base 10 all are equal. A135120

a(0) = 1; a(n) = 3 * ∑_k=1..n binomial(n,k) * a(k-1). A343975

A071158-codes for the fixed points of Vaillé's 1997 bijection on Dyck paths. A126301

The zero-free, right-to-left factorial walk encoding for each rooted plane tree encoded by A014486. Sequence A071155 shown with factorial expansion (A007623). A71157

Factorial codes for the fixed points of the square of Vaillé's 1997 bijection on Dyck paths. A126299

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 94", based on the 5-celled von Neumann neighborhood. A278822

Squares written in base 5. A1740

n written efficiently in natural numbers base, i.e., in form ...wxyz where n = 1·z + 2·y + 3·x + 4·w + ... with z <= 1, y < 2, x < 3, w < 4, ... A55611

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood. A271166

a(n) = n·2ⁿ⁺¹ + (2ⁿ⁺³+(-1)ⁿ)/3. A191007