Properties of the Number 72086

Seventy-Two Thousand Eighty-Six

Basics

Value: 72085 → 72086 → 72087

Parity: even

Prime: No

Previous Prime: 72077

Next Prime: 72089

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 19 × 271

Divisors: 1, 2, 7, 14, 19, 38, 133, 266, 271, 542

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100110010110

Octal: 214626

Duodecimal: 35872

Hexadecimal: 11996

Square: 5196391396

Square Root: 268.4883610140298

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 n such that φ(n) = φ(n-1) - φ(n-2). A66231

Composite squarefree numbers n such that p(i)-4 divides n+4, where p(i) are the prime factors of n. A225704

Number of compositions of n where the difference between largest and smallest parts equals 5 and adjacent parts are unequal. A214274

Powers of rooted tree enumerator. A529

Number of steps to reach 1, starting with n and applying the A072084-map repeatedly. A72086