Properties of the Number 72986

Seventy-Two Thousand Nine Hundred Eighty-Six

Basics

Value: 72985 → 72986 → 72987

Parity: even

Prime: No

Previous Prime: 72977

Next Prime: 72997

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 36493

Divisors: 1, 2, 36493, 72986

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001110100011010

Octal: 216432

Duodecimal: 362A2

Hexadecimal: 11d1a

Square: 5326956196

Square Root: 270.1592123174777

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

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 21. A31609

Least k such that ∏_i=1..k (prime(i) + 1) >= n*∏_i=1..k prime(i). A72986