Properties of the Number 51884

Fifty-One Thousand Eight Hundred Eighty-Four

Basics

Value: 51883 → 51884 → 51885

Parity: even

Prime: No

Previous Prime: 51871

Next Prime: 51893

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7 × 17 × 109

Divisors: 1, 2, 4, 7, 14, 17, 28, 34, 68, 109

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1100101010101100

Octal: 145254

Duodecimal: 26038

Hexadecimal: caac

Square: 2691949456

Square Root: 227.78059618852524

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

T(n,k)=Number of length n+1 0..k arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250277

Partial sums of A051797. A51878

a(n) = ∑_k=1..n J₄(k)/240. A115003

Number of length n+1 0..5 arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250274

Number of length 6+1 0..n arrays with the sum of the squares of adjacent differences multiplied by some arrangement of +-1 equal to zero. A250281

Numbers n such that n = ∑_j>=1 c(j) where c(0) = n, c(j) = floor(c(j-1)/10^k)*(c(j-1) mod 10^k) for j>0, and k is half the number of digits of n, rounded up if the number of digits of n is odd. A258584

Smallest number larger than the previous term which is not a prime but is relatively prime to the previous term. A51884