Properties of the Number 31091

Thirty-One Thousand Ninety-One

Basics

Value: 31090 → 31091 → 31092

Parity: odd

Prime: Yes

Previous Prime: 31081

Next Prime: 31121

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 31091

Divisors: 1, 31091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100101110011

Octal: 74563

Duodecimal: 15BAB

Hexadecimal: 7973

Square: 966650281

Square Root: 176.32640188014952

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

Prime numbers p of the form 10k+1 for which the quintic polynomial x⁵-x-1 modulus p is factorizable into five binomials. A135842

Prime numbers p for which the quintic polynomial x⁵ - x - 1 modulo p completely factors into linear polynomials. A135844

Number of compositions of n such that the greatest part is not divisible by the number of parts. A199885

Prime sequence overlaying the central digits of prime numbers. If possible, the value is greater than the previous one. Zero if no such embedding is possible. A133781

Cyclops emirps. A183057

Primes p whose last digit is the same as that of both its predecessor prime and its successor prime. A298075

Number of distinct lesser twin primes which are in Goldbach partitions of 2n. A294185

Number of distinct greater twin primes which are in Goldbach partitions of 2n. A294186

Number of distinct twin primes which are in Goldbach partitions of 2n. A295424

Position of n-th 3 in A031087. A31091