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Properties of the Number 12718

Twelve Thousand Seven Hundred Eighteen

Basics

Value: 12717 → 12718 → 12719

Parity: even

Prime: No

Previous Prime: 12713

Next Prime: 12721

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 6359

Divisors: 1, 2, 6359, 12718

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11000110101110

Octal: 30656

Duodecimal: 743A

Hexadecimal: 31ae

Square: 161747524

Square Root: 112.77411050414008

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

Number of partitions of n in which each part occurs an odd number (or zero) times. A55922
Expansion of ∏k>=1 1/(1-xk)k*(k+1). A258347
Numbers k such that binomial(5k, k) + 1 is prime. A125243
Sum of the first 2n+1 primes. A109723
Semiprimes in A007504 (the sum of first n primes). A189072
Polygonal numbers of order greater than 2 (A090466) which are the sum of the first k primes, for some k > 0. A364694
Number of (w,x,y,z) with all terms in {1,...,n} and w+y=|x-y|+|y-z|. A212677
a(0) = 1, a(n) = 11·n2 + 2 for n>0. A10003
Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 56 ones. A31824
Numbers k such that 5·3k + 2 is prime. A58590