Properties of the Number -63805

Sixty-Three Thousand Eight Hundred Five

Basics

Value: -63806 → -63805 → -63804

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 7 × 1823

Divisors: 1, 5, 7, 35, 1823, 9115, 12761, 63805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100100111101

Octal: -174475

Duodecimal: -30B11

Hexadecimal: -f93d

Square: 4071078025

Square Root: 252.5965162071718

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

Triangle read by rows: T(n,k) is the number of partitions of an n-set having k blocks of size > 1 (0<=k<=floor(n/2)). A124324

Triangle read by rows, T(n, k) = ∑_j=0..n C(n-j, n-k)*E2(n, j), where E2 are the second-order Eulerian numbers A201637, for n >= 0 and 0 <= k <= n. A112493

Sum of largest parts (counted with multiplicity) of all partitions of n. A92321

Fourth column of triangle A112493 used for e.g.f.s of Stirling2 diagonals. A112496