Properties of the Number 68894

Sixty-Eight Thousand Eight Hundred Ninety-Four

Basics

Value: 68893 → 68894 → 68895

Parity: even

Prime: No

Previous Prime: 68891

Next Prime: 68897

Digit Sum: 35

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 19 × 37

Divisors: 1, 2, 7, 14, 19, 37, 38, 49, 74, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110100011110

Octal: 206436

Duodecimal: 33A52

Hexadecimal: 10d1e

Square: 4746383236

Square Root: 262.4766656295374

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 ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z. A241883

a(n) = n*(n + 1)*(4·n - 1)/3. A268684

a(1) = 1; a(n) is the smallest n-th power which is congruent to 1 mod a(n-1). A68894