Properties of the Number -91813

Ninety-One Thousand Eight Hundred Thirteen

Basics

Value: -91814 → -91813 → -91812

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 91813

Divisors: 1, 91813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10110011010100101

Octal: -263245

Duodecimal: -45171

Hexadecimal: -166a5

Square: 8429626969

Square Root: 303.00660058817203

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

Greater of twin primes of the form x²+2, x²+4. A85554

Smallest prime p == 5 (mod 8) such that Q(sqrt(p)) has class number 2n+1. A355877

Primes p of the form x²+4, such that either p-2 or p+2 is prime. A85555

Primes of the form 9n² + 4. A201706