Properties of the Number 51895

Fifty-One Thousand Eight Hundred Ninety-Five

Basics

Value: 51894 → 51895 → 51896

Parity: odd

Prime: No

Previous Prime: 51893

Next Prime: 51899

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 5 × 97 × 107

Divisors: 1, 5, 97, 107, 485, 535, 10379, 51895

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100101010110111

Octal: 145267

Duodecimal: 26047

Hexadecimal: cab7

Square: 2693091025

Square Root: 227.80474095154386

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

a(n) = 54·n² + 1. A158646

Numbers k such that prime(k), prime(k+1), prime(k+2), prime(k+3) and prime(k+4) all have the same last digit. A371390

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 27 ones. A31795

Number of 0..n arrays x(0..5) of 6 elements with each no smaller than the sum of its previous elements modulo (n+1). A200255

Number of distinct ways of expressing n using only addition, multiplication (with all factors greater than 1), necessary parentheses, and the number 1. A373446

T(n,k)=Number of 0..k arrays x(0..n-1) of n elements with each no smaller than the sum of its previous elements modulo (k+1). A200251

Partial sums of second pentagonal numbers with even index (A049453). A51895