Properties of the Number 21314

Twenty-One Thousand Three Hundred Fourteen

Basics

Value: 21313 → 21314 → 21315

Parity: even

Prime: No

Previous Prime: 21313

Next Prime: 21317

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 10657

Divisors: 1, 2, 10657, 21314

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001101000010

Octal: 51502

Duodecimal: 10402

Hexadecimal: 5342

Square: 454286596

Square Root: 145.9931505242626

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) = 12·a(n-1) + a(n-2), with a(0) = 2 and a(1) = 12. A86928

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Number of partitions of n such that (number of distinct parts) >= least part. A239952

Expansion of (1/x) * Series_Reversion( x * (1-x) / (1+2·x)² ). A371391

For each row n in array A374602(n, k), the asymptotic geometric growth factor of every A377290(n) terms, represented by its nearest integer. A377291

Low-temperature series for spin-1/2 Ising ferromagnetic susceptibility on diamond. A3220

Where records occur in A246702. A246703

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 625", based on the 5-celled von Neumann neighborhood. A273272

Expansion of ∏_k>=1 (1 - x^k)^q(k), where q(k) = number of partitions of k into distinct parts (A000009). A304783

Number of alternating permutations of the multiset of prime factors of n. A345164