Properties of the Number 65666

Sixty-Five Thousand Six Hundred Sixty-Six

Basics

Value: 65665 → 65666 → 65667

Parity: even

Prime: No

Previous Prime: 65657

Next Prime: 65677

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 32833

Divisors: 1, 2, 32833, 65666

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000000010000010

Octal: 200202

Duodecimal: 32002

Hexadecimal: 10082

Square: 4312023556

Square Root: 256.2537804599183

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

Numbers having four 6's in base 10. A43516

a(n) = ∑_d∣n φ(n/d)^n-d+1. A342619

Near-repdigit semiprimes with 6 as repeated digit. A105987

Permutation of N induced by rotating the node 4 right in the infinite planar binary tree shown at A065658. A65666