Properties of the Number 72011

Seventy-Two Thousand Eleven

Basics

Value: 72010 → 72011 → 72012

Parity: odd

Prime: No

Previous Prime: 71999

Next Prime: 72019

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 107 × 673

Divisors: 1, 107, 673, 72011

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100101001011

Octal: 214513

Duodecimal: 3580B

Hexadecimal: 1194b

Square: 5185584121

Square Root: 268.3486538069457

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

Index where n first appears in A381597. A381599

Numbers k for which 6k+1, 24k+5, 432k²+72k-1, and 432k²+90k-1 are all prime. A175513

Counterexamples to the conjecture that an even, prime-indexed triangular plus 1 equals a prime or that an odd, prime-indexed triangular minus 2 equals a prime. A97785

Numbers k such that A072010(k) = k. A72011