Properties of the Number -261880

Two Hundred Sixty-One Thousand Eight Hundred Eighty

Basics

Value: -261881 → -261880 → -261879

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 6547

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 6547, 13094

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111111111011111000

Octal: -777370

Duodecimal: -107674

Hexadecimal: -3fef8

Square: 68581134400

Square Root: 511.74212255783675

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 T(n,k) of multisets of nonempty words with a total of n letters over k-ary alphabet such that all k letters occur at least once in the multiset; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A257740

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A282216

Number of multisets of nonempty words with a total of n letters over ternary alphabet such that all letters occur at least once in the multiset. A320213