Properties of the Number 51212

Fifty-One Thousand Two Hundred Twelve

Basics

Value: 51211 → 51212 → 51213

Parity: even

Prime: No

Previous Prime: 51203

Next Prime: 51217

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7 × 31 × 59

Divisors: 1, 2, 4, 7, 14, 28, 31, 59, 62, 118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100000001100

Octal: 144014

Duodecimal: 25778

Hexadecimal: c80c

Square: 2622668944

Square Root: 226.30068493047034

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

Number of uniform relatively prime rooted trees with n nodes. A317718

a(n) is the number of partitions of 5n that can be obtained by adding together five (not necessarily distinct) partitions of n. A2222

Number of terms in the fully expanded n-th derivative of x^{x^x}. A281434

Numbers k for which 6k+1, 24k+5, 432k²+72k-1, and 432k²+90k-1 are all prime. A175513

Numbers with property that both the digit sum and the sum of the prime factors (counted with multiplicity) have only digits 0 and 1 in base 10. A297614

a(n) = 2·n³ + 9·n² + 9·n. A303609

Numbers of the form x²-10^y >= 0. A51212