Properties of the Number 51053

Fifty-One Thousand Fifty-Three

Basics

Value: 51052 → 51053 → 51054

Parity: odd

Prime: No

Previous Prime: 51047

Next Prime: 51059

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 19 × 2687

Divisors: 1, 19, 2687, 51053

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100011101101101

Octal: 143555

Duodecimal: 25665

Hexadecimal: c76d

Square: 2606408809

Square Root: 225.9491093144649

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

Numbers k such that 10·R_k + 3 is prime, where R_k is the repunit (A002275) of length k. A56654

a(n) = floor( tan(n)² ). A5657

Number of 2 X 2 matrices with all elements in {0,...,n} and prime determinant. A281315

Irregular table: the n-th row polynomial is given by the formal power series expansion of ∑_{k >= 0} (1 + q)^{n·k + n²}*∏_{j = 1..k} (1 - (1 + q)^2·j-1), n >= 1. A340882

Number of compositions of n into distinct parts with exactly one descent. A241720

Interprimes which are of the form s·prime, s=19. A75294

a(n) = binomial(n, floor(n/6)). A51053