Properties of the Number -86986

Eighty-Six Thousand Nine Hundred Eighty-Six

Basics

Value: -86987 → -86986 → -86985

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 2 × 23 × 31 × 61

Divisors: 1, 2, 23, 31, 46, 61, 62, 122, 713, 1403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101001111001010

Octal: -251712

Duodecimal: -4240A

Hexadecimal: -153ca

Square: 7566564196

Square Root: 294.9338908976044

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 n-step mappings with 4 inputs. A5945

Irregular table read by rows: T(n,k) is the number of k-gons, k>=3, in a regular drawing of a complete bipartite graph where the vertex positions on each part equal the Farey series of order n. A359694

a(n) = (2·n+1)*(3·n+1)*(4·n+1). A33591