Properties of the Number 68005

Sixty-Eight Thousand Five

Basics

Value: 68004 → 68005 → 68006

Parity: odd

Prime: No

Previous Prime: 67993

Next Prime: 68023

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 7 × 29 × 67

Divisors: 1, 5, 7, 29, 35, 67, 145, 203, 335, 469

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000100110100101

Octal: 204645

Duodecimal: 33431

Hexadecimal: 109a5

Square: 4624680025

Square Root: 260.7776830942403

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 orbits of Aut(Z⁷) as function of the infinity norm n of the representative lattice point of the orbit, when the cardinality of the orbit is equal to 80640. A266396

Numbers n such that n*σ(n) > φ(n)*prime(n). A68005