Properties of the Number 40052

Forty Thousand Fifty-Two

Basics

Value: 40051 → 40052 → 40053

Parity: even

Prime: No

Previous Prime: 40039

Next Prime: 40063

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 17 × 19 × 31

Divisors: 1, 2, 4, 17, 19, 31, 34, 38, 62, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110001110100

Octal: 116164

Duodecimal: 1B218

Hexadecimal: 9c74

Square: 1604162704

Square Root: 200.1299577774402

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*(n + 7)*(n + 14)*(n + 21)*(n + 28)/120. A264449

Number of (s(0), s(1), ..., s(2n)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| = 1 for i = 1,2,...,n, s(0) = 3, s(2n) = 3. Also T(2n,n), where T is defined in A026022. A26029

Principal diagonal of the convolution array A213825. A213826

Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives i values. A53017

a(n) = ((4+sqrt(3))*(5+sqrt(3))^nv+v(4-sqrt(3))*(5-sqrt(3))ⁿ)/2. A162561

T(n,[ n/2 ]), where T is defined in A026022. A26034

Continued fraction for sqrt(60). A40052

A sixth-order linear divisibility sequence related to the Pell numbers: a(n) := (1/60)*Pell(3·n)*Pell(4·n)/Pell(n). A238602