Properties of the Number 99191

Ninety-Nine Thousand One Hundred Ninety-One

Basics

Value: 99190 → 99191 → 99192

Parity: odd

Prime: Yes

Previous Prime: 99181

Next Prime: 99223

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 99191

Divisors: 1, 99191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000001101110111

Octal: 301567

Duodecimal: 4949B

Hexadecimal: 18377

Square: 9838854481

Square Root: 314.94602712210866

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 having only {0, 1, 9} as digits. A199329

Primes that contain digits 1 and 9 only. A20457

Primes p such that q-p = 32, where q is the next prime after p. A126784

Matrix inverse square-root of triangle A105615. A105620

Fajtlowicz p-primes. A185955

SanD-68 primes p: such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 68. A307474

Primes of the form p·q - 30, where p and q are consecutive primes. A229613

Smallest prime p such that p+n is twice its reversal, or 0 if impossible. A99191