Properties of the Number 12627

Twelve Thousand Six Hundred Twenty-Seven

Basics

Value: 12626 → 12627 → 12628

Parity: odd

Prime: No

Previous Prime: 12619

Next Prime: 12637

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23 × 61

Divisors: 1, 3, 9, 23, 61, 69, 183, 207, 549, 1403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11000101010011

Octal: 30523

Duodecimal: 7383

Hexadecimal: 3153

Square: 159441129

Square Root: 112.36992480196825

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) = 4·a(n-1) + 3·a(n-2), a(0)=1, a(1)=6. A109115

Number of (w,x,y) with all terms in {0,...,n} and |w-x|+|x-y|+|y-w| > w+x+y. A213486

Number of nonisomorphic semigroups with n elements satisfying the equation xyz = xz. A390162

a(1)=1. a(n) = a(n-1) + (largest integer occurring among {a(1),a(2),a(3),...,a(n-1)} that is coprime to n). A120939

Number of 3-element subsets of {1,...,n} whose sum has more than 2 divisors. A241563

Indices of primes in the 10th-order Fibonacci number sequence, A127194. A257073

a(n) = 99·2ⁿ - 45 (n>=0). A304172

Number of 3-rowed binary matrices with n ones and no zero columns, up to row and column permutation. A58053

Triangle T(n, k) = f(n, k) + f(n, n-k) - f(n, n), where f(n, k) = binomial(n*(3·n-1)/2 + k, k), read by rows. A176647

Difference between 10ⁿ and the first prime of gap 6 > 10ⁿ. A227435