Properties of the Number 51942

Fifty-One Thousand Nine Hundred Forty-Two

Basics

Value: 51941 → 51942 → 51943

Parity: even

Prime: No

Previous Prime: 51941

Next Prime: 51949

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 787

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 787, 1574

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100101011100110

Octal: 145346

Duodecimal: 26086

Hexadecimal: cae6

Square: 2697971364

Square Root: 227.90787612542047

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 ways to label the vertices of the octahedron (or faces of the cube) with nonnegative integers summing to n, where labelings that differ only by rotation or reflection are considered the same. A97513

Numbers k such that 67·2^k+1 is prime. A32383

Number of ways to choose a strict rooted partition of each part in a constant rooted partition of n. A301768

Least integer k such that prime(k+1) - prime(k) = 2 and prime(k+2) - prime(k+1) = 2n, or 0 if no such k exists. A280941

a(n) = n*(n+1)/2 - 45. A51942