Properties of the Number 11655

Eleven Thousand Six Hundred Fifty-Five

Basics

Value: 11654 → 11655 → 11656

Parity: odd

Prime: No

Previous Prime: 11633

Next Prime: 11657

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 7 × 37

Divisors: 1, 3, 5, 7, 9, 15, 21, 35, 37, 45

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110110000111

Octal: 26607

Duodecimal: 68B3

Hexadecimal: 2d87

Square: 135839025

Square Root: 107.95832529267949

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

Odd abundant numbers (odd numbers m whose sum of divisors exceeds 2m). A5231

Odd primitive abundant numbers. A6038

a(n) = floor(n*(n-1)*(n-2)/4). A11886

a(n) = 3·binomial(8·n+6,n)/(4·n+3). A234465

Number of distinct degree sequences among all n-vertex graphs with no isolated vertices. A95268

Numbers n for which nontrivial positive magic squares of exactly 10 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005. A125017

Array read by antidiagonals: A(n,k) is the number of nonnegative integer matrices with k columns and any number of distinct nonzero rows with column sums n. A331568

Number of partitions of n having no parts with multiplicity 8. A184643

-9-Knödel numbers. A225513

Denominator of c(n) = (n²+n+2)/((n+1)*(n+2)*(n+3)). A241269