Properties of the Number 23356

Twenty-Three Thousand Three Hundred Fifty-Six

Basics

Value: 23355 → 23356 → 23357

Parity: even

Prime: No

Previous Prime: 23339

Next Prime: 23357

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5839

Divisors: 1, 2, 4, 5839, 11678, 23356

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101100111100

Octal: 55474

Duodecimal: 11624

Hexadecimal: 5b3c

Square: 545502736

Square Root: 152.82669923805852

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

Row sums of triangle in A074829. A74878

a(1)=1; thereafter, if n even, a(n) = a(n-1)-st prime, and if n odd, a(n) = a(n-1)-st nonprime. A280028

Numbers t which satisfy the equation: t mod k = floor((t - k)/k) mod k (1 <= k <= t) only for k = 1 and t. A375007

G.f. satisfies: A(x) = ∑_n>=0 xⁿ * A(x)^n*(n+1/2) / ∏_k=1..n (1 + x·A(x)^k). A221586

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 505", based on the 5-celled von Neumann neighborhood. A272583

Number of two-sided n-step prudent walks ending at the northeast corner of their boxes, avoiding two consecutive west steps and south steps. A190794

Square array read by antidiagonals downwards: T(n,k) is the number of sequences of length n with terms in 0..k such that the (n-1)-st difference is zero, but no earlier iterated difference is zero, n, k >= 1. A350530

Primes that remain prime through 5 iterations of the function f(x) = 10x + 3. A23356

Number of nX4 0..1 arrays with no 1 equal to more than two of its horizontal, vertical and antidiagonal neighbors. A283278