Properties of the Number 51105

Fifty-One Thousand One Hundred Five

Basics

Value: 51104 → 51105 → 51106

Parity: odd

Prime: No

Previous Prime: 51071

Next Prime: 51109

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 3407

Divisors: 1, 3, 5, 15, 3407, 10221, 17035, 51105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011110100001

Octal: 143641

Duodecimal: 256A9

Hexadecimal: c7a1

Square: 2611721025

Square Root: 226.0641501875076

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

Expansion of 1/(sqrt(1-4·x)*(1-3·x*c(x))), where c(x) is the g.f. of A000108. A141223

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference. A250841

Number of (n+1)X(2+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference. A250835

Number of (n+1)X(3+1) 0..2 arrays with no 2X2 subblock having a diagonal absolute difference less than its antidiagonal absolute difference. A250836

Number of (1+1) X (n+1) arrays of permutations of 0..n·2+1 filled by rows with each element moved a city block distance of 0 or 2, and rows and columns in increasing lexicographic order. A263603

First differences of A005229. A51105