Properties of the Number 68895

Sixty-Eight Thousand Eight Hundred Ninety-Five

Basics

Value: 68894 → 68895 → 68896

Parity: odd

Prime: No

Previous Prime: 68891

Next Prime: 68897

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1531

Divisors: 1, 3, 5, 9, 15, 45, 1531, 4593, 7655, 13779

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110100011111

Octal: 206437

Duodecimal: 33A53

Hexadecimal: 10d1f

Square: 4746521025

Square Root: 262.4785705538645

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) = hypergeom([1/2 - n/2, -n/2], [-n], -56). A350468

Numbers n such that φ(φ(n)) + σ(σ(n)) is a 4th power. A172464

Array read by ascending antidiagonals. T(n, k) = J(k, n) where J are the Jacobsthal polynomials. A350470

a(1) = 1; a(n) is the smallest cube which is congruent to 1 mod a(n-1). A68895