Properties of the Number 99181

Ninety-Nine Thousand One Hundred Eighty-One

Basics

Value: 99180 → 99181 → 99182

Parity: odd

Prime: Yes

Previous Prime: 99173

Next Prime: 99191

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 99181

Divisors: 1, 99181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101101101

Octal: 301555

Duodecimal: 49491

Hexadecimal: 1836d

Square: 9836870761

Square Root: 314.93015098589717

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 of the form 2·n² + 78·n + 37. A217501

Consider all ways of writing a number as p+2m² where p is 1 or a prime and m >= 0; sequence gives numbers that are expressible in at least 2 more ways than any smaller number. A16067

Number of strip poly-IH68-tiles (holes allowed) with n cells. A182646

Consecutive states of the linear congruential pseudo-random number generator (31481·s+21139) mod 10⁵ when started at s=1. A384341

Expansion of 1/((1-3x)(1-6x)(1-9x)(1-10x)). A28083

Primes p which are greater than twice p reversed. A99181