Properties of the Number 86987

Eighty-Six Thousand Nine Hundred Eighty-Seven

Basics

Value: 86986 → 86987 → 86988

Parity: odd

Prime: No

Previous Prime: 86981

Next Prime: 86993

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 37 × 2351

Divisors: 1, 37, 2351, 86987

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001111001011

Octal: 251713

Duodecimal: 4240B

Hexadecimal: 153cb

Square: 7566738169

Square Root: 294.9355861878997

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

Generalized Markoff numbers: largest of 7-tuple of positive numbers a, b, c, d, e, f, g satisfying the Markoff(7) equation a²+b²+c²+d²+e²+f²+g² = 5abcdefg. A227212

Number of lines in Pratt certificate for n-th prime. A37202

a(n) = A000203(A086986(n)). A86987