Properties of the Number 86879

Eighty-Six Thousand Eight Hundred Seventy-Nine

Basics

Value: 86878 → 86879 → 86880

Parity: odd

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 13 × 41 × 163

Divisors: 1, 13, 41, 163, 533, 2119, 6683, 86879

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001101011111

Octal: 251537

Duodecimal: 4233B

Hexadecimal: 1535f

Square: 7547960641

Square Root: 294.7524384971225

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

a(n) = ∑_k=1..n k²*φ(k), where φ is the Euler totient function A000010. A319087

Number of partitions of n such that either both floor(n/2) and ceiling(n/2) are parts or else neither is a part. A238624

Number of integers m in [0..10ⁿ-1] such that m has no digit in common with the last n digits of either m² or m³. A256714

Number of symmetric singular n X n matrices over GF(2). A86879

k = a·b where ab is cyclic permutation of the digits of k. A57116