Properties of the Number 11726

Eleven Thousand Seven Hundred Twenty-Six

Basics

Value: 11725 → 11726 → 11727

Parity: even

Prime: No

Previous Prime: 11719

Next Prime: 11731

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 11 × 13 × 41

Divisors: 1, 2, 11, 13, 22, 26, 41, 82, 143, 286

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110111001110

Octal: 26716

Duodecimal: 6952

Hexadecimal: 2dce

Square: 137499076

Square Root: 108.28665661105249

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

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

Number of integer partitions of n where the parts do not have the same mean as the distinct parts. A360242

Numbers k that, when expressed in base 5 and then interpreted in base 9, give a multiple of k. A62931

Number of rectangular twice-partitions of n of type (P,R,P). A358833

Defining sequence for an inverse Fredholm-Rueppel triangle. A104977

Sum of the squares of the quadratic residues of prime(n). A125613

a(n) = 1 + (9960 + (6804 + (2464 + (735 + (175 + (21 + n)*n)*n)*n)*n)*n)*n/5040. A145129

Number of partitions p of n such that median(p) <= multiplicity(max(p)). A240208

Sum of terms in level n of TRIP - Stern sequence associated with permutation triple (e,12,12). A278614

Suspected divisor-or-multiple permutation of squarefree numbers: a(n) = A019565(A304533(n)). A304537