Properties of the Number 12922

Twelve Thousand Nine Hundred Twenty-Two

Basics

Value: 12921 → 12922 → 12923

Parity: even

Prime: No

Previous Prime: 12919

Next Prime: 12923

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 13 × 71

Divisors: 1, 2, 7, 13, 14, 26, 71, 91, 142, 182

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001001111010

Octal: 31172

Duodecimal: 758A

Hexadecimal: 327a

Square: 166978084

Square Root: 113.67497525840945

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

Larger of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323330

a(n) = ∑_k=0..n (-1)^n-k * binomial(n,k) * binomial(8·k,k) / (7·k + 1). A346668

Expansion of g.f. (1 + x + 2·x²)/((1 - x)³*(1 - x³)). A92498

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

Expansion of ψ(x⁴) / φ(x) in powers of·where φ(), ψ() are Ramanujan θ functions. A210063

Number of partitions of n into parts not congruent to 0, 2, 12, 14, 16, 18, 20, 30 (mod 32). A115671

Expansion of ψ(x⁴) / φ(-x) in powers of·where φ(), ψ() are Ramanujan θ functions. A187154

T(n,k)=Number of nXk 0..3 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors. A231586

Expansion of q·f(-q,-q⁷)² / (φ(q²) * ψ(-q)) in powers of q where φ(), ψ(), f(,) are Ramanujan θ functions. A224216

First differences of A213709. A226060