Properties of the Number 65731

Sixty-Five Thousand Seven Hundred Thirty-One

Basics

Value: 65730 → 65731 → 65732

Parity: odd

Prime: Yes

Previous Prime: 65729

Next Prime: 65761

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 65731

Divisors: 1, 65731

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Representations

Binary: 10000000011000011

Octal: 200303

Duodecimal: 32057

Hexadecimal: 100c3

Square: 4320564361

Square Root: 256.3805764873774

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

Primes p such that q = 2·p³-1 and 2·p*q²-1 are both prime. A224614

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

First of 3 or more consecutive integers with equal values of φ(φ(n)). A167767

Primes p such that q=2·p³-1, r=2·p*q²-1, and s=2·p*r²-1 are all prime. A224626

a(n) = prime(A096475(n)). A96476

Primes p=prime(i) of level (1,6), i.e., such that A118534(i) = prime(i-6). A216180

Primes p such that f(f(p)) is prime where f(x) = Phi₆(x). A237446

Largest square <= n!. A65731