Properties of the Number 91099

Ninety-One Thousand Ninety-Nine

Basics

Value: 91098 → 91099 → 91100

Parity: odd

Prime: Yes

Previous Prime: 91097

Next Prime: 91121

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 91099

Divisors: 1, 91099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001111011011

Octal: 261733

Duodecimal: 44877

Hexadecimal: 163db

Square: 8299027801

Square Root: 301.82610887728055

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 p such that A001177(p) = (p-1)/9. A308802

Lexicographically largest increasing sequence of primes for which the continued square root map (see A257574) produces the decimal expansion of e (Euler's number). A257764

Smallest prime obtained by sandwiching prime(n) between identical digits, except that a(5) = 0. A90268

Smallest k such that in the pairs of numbers j·k +- 1, none is prime for 1 <= j < n but at least one is prime for j = n; or 0 if no such k exists. A348347

Primes arising in A090266. A90267

Expansion of x*(1-x)/(1-x+2·x³-x⁴). A104554

Number of primes of the form 4k+3 less than 10ⁿ. A91099