Properties of the Number 51750

Fifty-One Thousand Seven Hundred Fifty

Basics

Value: 51749 → 51750 → 51751

Parity: even

Prime: No

Previous Prime: 51749

Next Prime: 51767

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 5 ³ × 23

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100101000100110

Octal: 145046

Duodecimal: 25B46

Hexadecimal: ca26

Square: 2678062500

Square Root: 227.48626332154652

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) = n·A276086(n). A324580

Array read by antidiagonals: T(n,k) is the number of permutations of k indistinguishable copies of 1..n with exactly 2 local maxima. A334773

Starts of runs of 3 consecutive Pell-Niven numbers (A352320). A352322

Number of ways to place 2 points on a triangular grid of side n so that they are not adjacent. A239568

Number of distinct minimal unary DFA's with exactly n states. A59412

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 406", based on the 5-celled von Neumann neighborhood. A281892

Least common multiple of n and A276086(n). A328584

a(n) = (7·n+1)*(7·n+6). A1526

The Wiener index of the Kneser graph K(n,2) (n>=5). A228306

Triangular array read by rows: row n shows the coefficients of the polynomial u(n) = c(0) + c(1)*x + ... + c(n)*xⁿ which is the numerator of the n-th convergent of the continued fraction [k, k, k, ... ], where k = (x + 2)/(x + 1). A231732