Properties of the Number 51524

Fifty-One Thousand Five Hundred Twenty-Four

Basics

Value: 51523 → 51524 → 51525

Parity: even

Prime: No

Previous Prime: 51521

Next Prime: 51539

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 11 × 1171

Divisors: 1, 2, 4, 11, 22, 44, 1171, 2342, 4684, 12881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100100101000100

Octal: 144504

Duodecimal: 25998

Hexadecimal: c944

Square: 2654722576

Square Root: 226.98898651696737

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 dissections of a convex n-gon by nonintersecting diagonals into an even number of regions. A100299

Approximation of the 2-adic integer arctan(4) up to 2ⁿ. A309756

Abs(square of n-th prime minus cube of n-1). A151911

Second unsigned column of triangle A051338. A51524

Triangle T, read by rows, where T(n,k) = ∑_j=1..n-k-1 [T^j](n-1,k) with T(n+1,n) = 2·n+1 and T(n,n)=0 for n>=0, where T^j denotes the j-th matrix power of T. A243920

Number of nX7 0..3 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero. A231107