Properties of the Number 91199

Ninety-One Thousand One Hundred Ninety-Nine

Basics

Value: 91198 → 91199 → 91200

Parity: odd

Prime: Yes

Previous Prime: 91193

Next Prime: 91229

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 91199

Divisors: 1, 91199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010000111111

Octal: 262077

Duodecimal: 4493B

Hexadecimal: 1643f

Square: 8317257601

Square Root: 301.9917217408451

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

Smaller of two consecutive prime numbers such that p1·p2·d - d = average of twin prime pairs, d (δ) = p2 - p1. A153378

Emirps with digits 1 and 9 only. A155507

Lesser of emirps (pairs) with digits 1 and 9 only. A155508

Emirps starting and ending with composite digit 9. A128374

Initial member of 10 consecutive primes {a, b, c, d, e, f, g, h, i, j} such that (j - e) = (i - d) = (h - c) = (g - b) = (f - a). A293393

Numbers k such that (6k-3)² + 2 is prime. A91199