Properties of the Number 51031

Fifty-One Thousand Thirty-One

Basics

Value: 51030 → 51031 → 51032

Parity: odd

Prime: Yes

Previous Prime: 51001

Next Prime: 51043

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 51031

Divisors: 1, 51031

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100011101010111

Octal: 143527

Duodecimal: 25647

Hexadecimal: c757

Square: 2604162961

Square Root: 225.90042053967053

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

The first of three consecutive primes the sum of which is equal to the sum of three consecutive triangular numbers. A298169

Smallest primitive prime factor of 7ⁿ-1. A379640

Primes base 10 that remain primes in six bases b, 2<=b<=10, expansions interpreted as decimal numbers. A52028

Primes obtained from other primes by prefixing a 5. A165555

Primes which have a partition as the sum of squares of seven consecutive primes. A133560

Primes where the first digit equals the sum of all the other digits. A156307

Numbers n such that n²⁰⁴⁸ + (n+1)²⁰⁴⁸ is prime. A274235

Numbers which are the sum of the squares of seven consecutive primes. A133562

a(n) = 70·n² + 1. A158734

a(n) is the smallest prime p such that the number of distinct values of the ratio (number of nonnegative m < p such that m^k == m (mod p))/(number of nonnegative m < p such that -m^k == m (mod p)) is equal to n for some nonnegative k. A340281