Properties of the Number 51215

Fifty-One Thousand Two Hundred Fifteen

Basics

Value: 51214 → 51215 → 51216

Parity: odd

Prime: No

Previous Prime: 51203

Next Prime: 51217

Digit Sum: 14

Digital Root: 5

Palindrome: Yes

Factorization: 5 × 10243

Divisors: 1, 5, 10243, 51215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100000001111

Octal: 144017

Duodecimal: 2577B

Hexadecimal: c80f

Square: 2622976225

Square Root: 226.3073131827604

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

Numbers that are palindromic and divisible by 5. A43040

Palindromic primes in base 6 (written in base 6). A117701

Numbers k such that φ(k) + φ(k+3) = φ(k+1) + φ(k+2). A76665

Palindromes in A085936. A85937

Start with 1 and repeatedly reverse the digits and add 38 to get the next term. A118634

Numbers of the form 4^x-y² >= 0. A51215