Properties of the Number -43263

Forty-Three Thousand Two Hundred Sixty-Three

Basics

Value: -43264 → -43263 → -43262

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 19 × 23

Divisors: 1, 3, 9, 11, 19, 23, 33, 57, 69, 99

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010100011111111

Octal: -124377

Duodecimal: -21053

Hexadecimal: -a8ff

Square: 1871687169

Square Root: 207.99759613995542

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

Expansion of series reversion of generating function for triangular numbers. A179848

Inverse of Riordan array (1/(1-x)³, x/(1-x)³). A127894

Expansion of (1-x)^-1/(1-2·x²+2·x³). A77881

Expansion of reversion of (x - 2·x²) / (1 - x)³. A134565

Triangle read by rows: Riordan array (2 - D(x), x·D(x)) where D(x) is g.f. of A001764. A380191

a(n) = binomial(3·n,n)/(2·n+1) (enumerates ternary trees and also noncrossing trees). A1764

If n = 2·m then a(n) = binomial(3·m, m)/(2·m+1), if n=2·m+1 then a(n) = binomial(3·m+1, m+1)/(2·m+1). A47749

Starts of runs of 3 consecutive Niven numbers in base 2 (A049445). A330932

Array read by antidiagonals giving number of paths up and left from (0,0) to (n,kn) where x/y <= k for all intermediate points. A70914

A triangle (lower triangular matrix) composed of Pfaff-Fuss (or Raney) sequences. A62993