Properties of the Number 3191

Three Thousand One Hundred Ninety-One

Basics

Value: 3190 → 3191 → 3192

Parity: odd

Prime: Yes

Previous Prime: 3187

Next Prime: 3203

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 3191

Divisors: 1, 3191

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001110111

Octal: 6167

Duodecimal: 1A1B

Hexadecimal: c77

Square: 10182481

Square Root: 56.4889369699944

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

Number of integer partitions of n of which every permutation has a consecutive monotone triple, i.e., a triple (..., x, y, z, ...) such that either x <= y <= z or x >= y >= z. A344654

Number of integer partitions of n without an alternating permutation. A345165

Primes that become another prime under the map 8 <-> 9 (acting on the decimal digits). A175789

Primes of the form k² - k - 1. A2327

Chebyshev even-indexed U-polynomials evaluated at sqrt(7)/2. A30221

Primes congruent to 1 mod 29. A141977

Numbers k such that (3^k + 1)/4 is prime. A7658

Smallest primitive factor of 10ⁿ - 1. Also smallest prime p such that 1/p has repeating decimal expansion of period n. A7138

Primes whose base-5 representation also is the base-4 representation of a prime. A235615

Primes with first digit 3. A45709