Properties of the Number 72871

Seventy-Two Thousand Eight Hundred Seventy-One

Basics

Value: 72870 → 72871 → 72872

Parity: odd

Prime: Yes

Previous Prime: 72869

Next Prime: 72883

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 72871

Divisors: 1, 72871

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001110010100111

Octal: 216247

Duodecimal: 36207

Hexadecimal: 11ca7

Square: 5310182641

Square Root: 269.9462909543304

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 (30^k - 1)/29 is prime. A98438

Primes of form 210·p + 1 where p is a prime. A51648

Primes q such that 15·q-4, 15·q-2, 15·q+2 and 15·q+4 are all primes. A342717

Smallest partition number divisible by n. A72871

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254162