Properties of the Number 51395

Fifty-One Thousand Three Hundred Ninety-Five

Basics

Value: 51394 → 51395 → 51396

Parity: odd

Prime: No

Previous Prime: 51383

Next Prime: 51407

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 19 × 541

Divisors: 1, 5, 19, 95, 541, 2705, 10279, 51395

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100100011000011

Octal: 144303

Duodecimal: 258AB

Hexadecimal: c8c3

Square: 2641446025

Square Root: 226.70465367962785

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 -7..7 arrays x(0..n-1) of n elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative. A199897

Number of -n..n arrays x(0..5) of 6 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative. A199901

Numbers whose square is a sum of 4 consecutive primes. A51395

T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative. A199898

Rectangular array A read by upward antidiagonals in which the entry in row n and column k is defined by A(n,k) = S(4·A257499(n,k) - 3), n,k >= 1, where the function S is as defined in A257480. A254067