Properties of the Number 51290

Fifty-One Thousand Two Hundred Ninety

Basics

Value: 51289 → 51290 → 51291

Parity: even

Prime: No

Previous Prime: 51287

Next Prime: 51307

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 23 × 223

Divisors: 1, 2, 5, 10, 23, 46, 115, 223, 230, 446

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100001011010

Octal: 144132

Duodecimal: 25822

Hexadecimal: c85a

Square: 2630664100

Square Root: 226.4729564429272

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) = ∑_j=1..n j·prime(j). A14285

Numerator of the barycenter of first n primes defined as a(n) = numerator(∑_i=1..n (i·prime(i)) / ∑_i=1..n prime(i)). A306834

Array read by antidiagonals: T(m,n) is the number of fixed polyominoes that have a width of m and height of n and m + n - 1 cells. A334552

Triangular array T read by rows: T(n,k)=P(2n+3,n,2k+3), where P(n,k,c)=number of vectors (x(1),x(2,),...,x(n)) of k 1's and n-k 0's such that x(i)=x(n+1-i) for exactly c values of i. A51290