Properties of the Number 8965

Eight Thousand Nine Hundred Sixty-Five

Basics

Value: 8964 → 8965 → 8966

Parity: odd

Prime: No

Previous Prime: 8963

Next Prime: 8969

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 11 × 163

Divisors: 1, 5, 11, 55, 163, 815, 1793, 8965

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100000101

Octal: 21405

Duodecimal: 5231

Hexadecimal: 2305

Square: 80371225

Square Root: 94.68368391650169

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

Triangle read by rows: T(n,k) is the number of permutations of [n] with exactly k increasing runs of even length. A97592

Odd octagonal numbers: (2n+1)*(6n+1). A14641

Numbers that are the sum of ten fourth powers in nine or more ways. A345602

Numbers that are the sum of ten fourth powers in exactly nine ways. A345861

Numbers k such that k² and k³ have the same set of digits. A29797

Product of n-th prime number and n-th composite number. A67563

a(n) = ∑_i=0..n digsum₆(i)³, where digsum₆(i) = A053827(i). A231674

Numbers such that all subsets of {a(1)²,...,a(n)²} have a different sum. A138857

Irregular triangle read by rows: T(n,k) = number of signed unichromosonal genomes with n genes at 4-break distance k from a fixed genome, 0 <= k <= floor((n+1)/3). A264617

Molien series for invariants of finite Coxeter group A₉. A266778