Properties of the Number 51284

Fifty-One Thousand Two Hundred Eighty-Four

Basics

Value: 51283 → 51284 → 51285

Parity: even

Prime: No

Previous Prime: 51283

Next Prime: 51287

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 12821

Divisors: 1, 2, 4, 12821, 25642, 51284

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100100001010100

Octal: 144124

Duodecimal: 25818

Hexadecimal: c854

Square: 2630048656

Square Root: 226.45970944077447

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 compositions of n² into parts >= n. A332796

Expansion of ∏_k>=1 1/(1-x^k)^(-1^k*k^k). A307504

a(n) = ∑_{k=0..floor(n/4)} binomial(2·n-7·k,k). A373644

Number of compositions of 8·n into parts 1 and 8. A373890

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFS = ZSM-57 H1.5[Al1.5Si34.5O72] starting with a T6 atom. A19177

Number of compositions (ordered partitions) of n into cubes dividing n. A294335

a(n) is the number k, 2ⁿ < k < 2ⁿ⁺¹, such that k/c(k) is a minimum in the interval, where c(k) is Hofstadter-Conway sequence A004001. A51284