Properties of the Number 85751

Eighty-Five Thousand Seven Hundred Fifty-One

Basics

Value: 85750 → 85751 → 85752

Parity: odd

Prime: Yes

Previous Prime: 85733

Next Prime: 85781

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 85751

Divisors: 1, 85751

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100111011110111

Octal: 247367

Duodecimal: 4175B

Hexadecimal: 14ef7

Square: 7353234001

Square Root: 292.8327167513903

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 x⁴⁹ = 2 has no solution mod p, but x⁷ = 2 has a solution mod p. A59667

a(n) = 2·n³ + 1. A33562

Primes p such that A001177(p) = (p-1)/7. A308800

Primes of the form 2k³+1. A201107

a(n) = 70·n² + 1. A158734

Primes of the form 2^a * 5^b * 7^c + 1 for positive a, b, c. A114992

Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity. A157487

Primes p such that the product of the distinct prime factors of p²-1 is less than p. A275631

Semiprimes whose reversal is also a semiprime. A85751

Number of ways to write 2·n as p + 2^k + 5^m with p prime and 2^k + 5^m a product of at most three distinct primes, where k and m are nonnegative integers. A304031