Properties of the Number 12630

Twelve Thousand Six Hundred Thirty

Basics

Value: 12629 → 12630 → 12631

Parity: even

Prime: No

Previous Prime: 12619

Next Prime: 12637

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 421

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 421, 842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11000101010110

Octal: 30526

Duodecimal: 7386

Hexadecimal: 3156

Square: 159516900

Square Root: 112.38327277669039

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

Coefficients of the '3rd-order' mock θ function ω(q). A53253

Third differences of fifth powers (A000584). A101096

The number of permutations p of {1,...,n} satisfying |p(i)-p(i+1)| is in {4,5} for i from 1 to n-1. A174708

T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock nonsingular. A185534

Expansion of (1-4·x+3·x²)/((1-2·x)*(1-4·x+x²)). A87944

a(n) = n*(2*(n - 2)*n + (-1)ⁿ + 3)/4. A323724

Triangle of coefficients of polynomials u(n,x) jointly generated with A207626; see the Formula section. A207625

a(n) = 60·n² + 180·n + 150. A69477

Number of 3-divided words of length n over a 3-letter alphabet. A210324

Number of odd numbers k such that difference between halving and tripling steps in Collatz (3x+1) trajectory of k is n. A222753