Properties of the Number 61231

Sixty-One Thousand Two Hundred Thirty-One

Basics

Value: 61230 → 61231 → 61232

Parity: odd

Prime: Yes

Previous Prime: 61223

Next Prime: 61253

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 61231

Divisors: 1, 61231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111100101111

Octal: 167457

Duodecimal: 2B527

Hexadecimal: ef2f

Square: 3749235361

Square Root: 247.44898464127914

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 in A005891 = Centered pentagonal numbers: (5n² + 5n + 2)/2. A145838

Primes whose sum of reciprocal of digits is a prime. A266815

Primes such that the sum of their digits and the sum of the reciprocals of their digits is also prime. A64779

Primes such that swapping some pair of digits gives a square. A171585

Prime numbers p such that the product of their prime digits is equal to the product of their nonprime digits, where p has at least one prime digit. A369877

Numbers n of the form 4·k+3 such that 2^m-1 == 1 (mod m) where m = (2·n-1)*n. A187923

Primes that can be generated by the concatenation in base 7, in descending order, of two consecutive integers read in base 10. A287309

n - the reversal of n is a nonzero square. A61231

Primes p such that six consecutive primes starting with p are congruent to {1,2,3,4,5,6} (mod 7). A215599

Smallest prime q such that, starting with q, there are prime(n)-1 consecutive primes = {1..prime(n)-1} modulo prime(n). A206333