Properties of the Number 73991

Seventy-Three Thousand Nine Hundred Ninety-One

Basics

Value: 73990 → 73991 → 73992

Parity: odd

Prime: No

Previous Prime: 73973

Next Prime: 73999

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 23 × 3217

Divisors: 1, 23, 3217, 73991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010000100000111

Octal: 220407

Duodecimal: 3699B

Hexadecimal: 12107

Square: 5474668081

Square Root: 272.01286734270496

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 strings of length n over Z₆ with trace 3 and subtrace 2. A73991

a(n) is the smallest totient number k > 1 such that A005277(n)*k is a nontotient number, or 0 if no such number exists. A350086