Properties of the Number 51754

Fifty-One Thousand Seven Hundred Fifty-Four

Basics

Value: 51753 → 51754 → 51755

Parity: even

Prime: No

Previous Prime: 51749

Next Prime: 51767

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 113 × 229

Divisors: 1, 2, 113, 226, 229, 458, 25877, 51754

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100101000101010

Octal: 145052

Duodecimal: 25B4A

Hexadecimal: ca2a

Square: 2678476516

Square Root: 227.49505489130968

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) = n⁴ + 5·n² + 4. A156798

a(n) = ∑_{k=0..floor(n/3)} binomial(n-2·k-1,k) * binomial(k,n-3·k). A383583

Nearest integer to (Product(n^{(1 + log(1 + i})/i²), {i, 1, n})). A62487

a(n) = (7·n+2)*(7·n+5) = 49·n² + 49·n + 10. A177060

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 30. A31618

Consider problem of placing N queens on an n X n board so that each queen attacks precisely 1 other. Sequence gives maximal number of queens. A51754