Properties of the Number 12982

Twelve Thousand Nine Hundred Eighty-Two

Basics

Value: 12981 → 12982 → 12983

Parity: even

Prime: No

Previous Prime: 12979

Next Prime: 12983

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 6491

Divisors: 1, 2, 6491, 12982

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11001010110110

Octal: 31266

Duodecimal: 761A

Hexadecimal: 32b6

Square: 168532324

Square Root: 113.93857994551274

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

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A298382

a(n) is the total number of top arches with exactly one covering arch for semi-meanders with n top arches. A301620

Number of 2-linear trees on n nodes. A338706

Number of words of length n (n >= 1) over a two-letter alphabet having a minimal period of size n-2. A19311

Expansion of ∏_k>=0 1/(1-x^5·k+4)^5·k+4. A285132

Numbers k such that the continued fraction for sqrt(k) has period 86. A20425

Generalized Catalan Numbers x⁴*A(x)² -(1-x+x⁴+x⁵+x⁶)*A(x) + 1 =0. A23429

Number of isomeric aza-benzenoids with four nitrogen atoms and n hexagons. A121952

A triangular sequence of coefficients of polynomials: p(x,n) = ((x - 1)ⁿ *(∑_k>=0 (((-1)ⁿ*(2·k + 1)^{n - 1}))*x^k) + (x - 1)^{n + 1}*(∑_k>=0 ((-1)^{n + 1}*kⁿ)*x^k)/x)/2. A154334

Integers whose binary digits "1" define, if sorted into a quadrant shape whose right angle lies in a Go board corner, same colored Go stones that surely live all, but not if any stone is omitted. A166537