Properties of the Number 61886

Sixty-One Thousand Eight Hundred Eighty-Six

Basics

Value: 61885 → 61886 → 61887

Parity: even

Prime: No

Previous Prime: 61879

Next Prime: 61909

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 11 × 29 × 97

Divisors: 1, 2, 11, 22, 29, 58, 97, 194, 319, 638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000110111110

Octal: 170676

Duodecimal: 2B992

Hexadecimal: f1be

Square: 3829876996

Square Root: 248.7689691259744

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

Number of labeled n-node trees with unlabeled end-points. A1258

E.g.f. satisfies A(x) = exp( x·A(x) / (1-x) ) / (1-x)². A377608

Number of 2·n X 6 binary arrays with row sums 3 and column sums n. A172556

Largest square less than or equal to sum of previous terms. A61886