Properties of the Number 13667

Thirteen Thousand Six Hundred Sixty-Seven

Basics

Value: 13666 → 13667 → 13668

Parity: odd

Prime: No

Previous Prime: 13649

Next Prime: 13669

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 79 × 173

Divisors: 1, 79, 173, 13667

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010101100011

Octal: 32543

Duodecimal: 7AAB

Hexadecimal: 3563

Square: 186786889

Square Root: 116.90594510117953

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

Beastly fax numbers: numbers containing the fax number of the Beast (667, one more than its regular number) in their decimal expansion. A138563

Number of not necessarily connected simple bridgeless graphs on n labeled nodes. A389387

G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - 2·x * A(x²))). A390659

a(n) is the smallest number k such that A362881(k) = n. A362909

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 17 ones. A31785

Results from a change in the rules leading to sequence A097357. A110565

Number of binary strings of length n with no substrings equal to 0000 0111 or 1001. A164442

Numbers k such that 3^k + k³ - 1 is prime. A215440

Number of n-step self-avoiding walks on the half-Manhattan lattice with no non-contiguous adjacencies. A336726

Discriminants of imaginary quadratic fields with class number 38 (negated). A351676