Properties of the Number -43005

Forty-Three Thousand Five

Basics

Value: -43006 → -43005 → -43004

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 47 × 61

Divisors: 1, 3, 5, 15, 47, 61, 141, 183, 235, 305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011111111101

Octal: -123775

Duodecimal: -20A79

Hexadecimal: -a7fd

Square: 1849430025

Square Root: 207.37646925338467

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

Number of trivalent dissections of a rectangle into n rectangles. A375131

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + 3, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294544

Number of partitions of n into parts not of the form 25k, 25k+12 or 25k-12. Also number of partitions with at most 11 parts of size 1 and differences between parts at distance 11 are greater than 1. A36011

Square roots of terms of A140483. A140484

Smallest k such that q=2·k*prime(n)⁴+b, r=2·k*q⁴+c, s=2·k*r⁴+d and q, r and s are all prime numbers with b, c and d = -1 or 1. A225056

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 475", based on the 5-celled von Neumann neighborhood. A272449

Squarefree numbers k such that the sum of the distinct prime factors of k is twice the difference between the largest and the smallest prime factors of k. A324210