Properties of the Number 15668

Fifteen Thousand Six Hundred Sixty-Eight

Basics

Value: 15667 → 15668 → 15669

Parity: even

Prime: No

Previous Prime: 15667

Next Prime: 15671

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 3917

Divisors: 1, 2, 4, 3917, 7834, 15668

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11110100110100

Octal: 36464

Duodecimal: 9098

Hexadecimal: 3d34

Square: 245486224

Square Root: 125.1718818265508

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

Consider all integer triples (i,j,k), j,k>0, with i³=j³+binomial(k+2,3), ordered by increasing i; sequence gives j values. A54235

Number of permutations of 1..n with displacements restricted to {-4,-2,-1,0,3}. A189586

Diagonal of array A085205. A85228

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (0, -1, 1), (0, 1, -1), (1, 1, 0)}. A148931

Number of P-equivalence classes of switching functions of n or fewer variables, divided by 2. A612

Number of non-isomorphic connected set-systems covering n vertices. A323819

Inverse of 1659th cyclotomic polynomial. A15668