Properties of the Number 61669

Sixty-One Thousand Six Hundred Sixty-Nine

Basics

Value: 61668 → 61669 → 61670

Parity: odd

Prime: No

Previous Prime: 61667

Next Prime: 61673

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 83 × 743

Divisors: 1, 83, 743, 61669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000011100101

Octal: 170345

Duodecimal: 2B831

Hexadecimal: f0e5

Square: 3803065561

Square Root: 248.33243847713493

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 785", based on the 5-celled von Neumann neighborhood. A273559

a(n) = n*(μ(n) + 1), where μ(n) is the Moebius function A008683. A61669