Properties of the Number 61881

Sixty-One Thousand Eight Hundred Eighty-One

Basics

Value: 61880 → 61881 → 61882

Parity: odd

Prime: No

Previous Prime: 61879

Next Prime: 61909

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 20627

Divisors: 1, 3, 20627, 61881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000110111001

Octal: 170671

Duodecimal: 2B989

Hexadecimal: f1b9

Square: 3829258161

Square Root: 248.75891943807764

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 3 X 3 integer matrices with elements in the range [ -n,n ] which represent a rotation of order 2. A53171

Partial sums of A003418 starting summing from A003418(1), with a(0) = 0. A236856

Positions of A080313 in A014486. A80312

First (leftmost) digit - second digit + third digit - fourth digit .... = 12. A61881