Properties of the Number 26223

Twenty-Six Thousand Two Hundred Twenty-Three

Basics

Value: 26222 → 26223 → 26224

Parity: odd

Prime: No

Previous Prime: 26209

Next Prime: 26227

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 8741

Divisors: 1, 3, 8741, 26223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110011001101111

Octal: 63157

Duodecimal: 13213

Hexadecimal: 666f

Square: 687645729

Square Root: 161.93517221406842

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

Number of length n inversion sequences avoiding the patterns 102 and 201. A279566

Partial sums of A006899. A170803

Odd numbers which are factored to the same set of primes in Z as to the irreducible polynomials in GF(2)[X]; odd terms of A235036. A235039

Numbers k such that 6·R_k - 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A98088

G.f. satisfies: A(x) = ∏_n>=0 1/( (1 - (x·A(x))^5·n+1) * (1 - (x·A(x))^5·n+4) ). A203067

First occurrence of 2·n in A035096. A247234

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 486", based on the 5-celled von Neumann neighborhood. A272508

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 659", based on the 5-celled von Neumann neighborhood. A273386

a(1) = 1, a(2) = 2; for n > 2, a(n) is the smallest positive number that has not yet appeared that is a multiple of prime(ω(a(n-1))). A363504

Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 5 neighboring 1s. A297798