Properties of the Number 31249

Thirty-One Thousand Two Hundred Forty-Nine

Basics

Value: 31248 → 31249 → 31250

Parity: odd

Prime: Yes

Previous Prime: 31247

Next Prime: 31253

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 31249

Divisors: 1, 31249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111101000010001

Octal: 75021

Duodecimal: 16101

Hexadecimal: 7a11

Square: 976500001

Square Root: 176.77386684688435

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 with 23 as smallest positive primitive root. A61335

Trimorphic numbers: n³ ends with n. Also m-morphic numbers for all m > 5 such that m-1 is not divisible by 10 and m == 3 (mod 4). A33819

a(n) = 2·5ⁿ-1. A81655

Numbers whose least quadratic nonresidue (A020649) is 17. A25026

Numbers of the form i·5^j-1 (i=1..4, j >= 0). A181287

Smallest k for which k, 2k, ... nk all contain the digit 4. A39935

Primes of the form 2^r*5^s - 1. A77313

Primes p such that p-1 and p+1 are both divisible by fourth powers. A86709

Numbers which contain only the digit 4 in their base-5 representation, with at most one exception. If the exception is the most-significant digit, it must be the digit 1, 2, or 3, otherwise the exception must be the digit 3. A188531

n is prime and digits of n³ include digits of n as substring. A115739