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Properties of the Number 13966

Thirteen Thousand Nine Hundred Sixty-Six

Basics

Value: 13965 → 13966 → 13967

Parity: even

Prime: No

Previous Prime: 13963

Next Prime: 13967

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 6983

Divisors: 1, 2, 6983, 13966

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11011010001110

Octal: 33216

Duodecimal: 80BA

Hexadecimal: 368e

Square: 195049156

Square Root: 118.17783210061013

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 into 8 or more parts. A347544
Numerators of continued fraction convergents to sqrt(697). A42340
Number of collinear triples in a 3 X n rectangular grid. A57566
Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 92 ones. A31860
Consecutive terms of A065966 which are also consecutive integers. A65976
Start with a(1)=1; for n >= 1, a(n+1)=a(n)+a(k) with k=[n-n-th digit of "e"]. If k<0 or k=0, then a(k)=0. A133392
Number of (3412,1234)-avoiding involutions in Sn. A85583
Molecular topological indices of the path graphs Pn. A121318
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 5 ones in any 4 X 4 X 4 subtriangle. A153942
a(n) = sigma18(n), the sum of the 18th powers of the divisors of n. A13966