Properties of the Number 43847

Forty-Three Thousand Eight Hundred Forty-Seven

Basics

Value: 43846 → 43847 → 43848

Parity: odd

Prime: No

Previous Prime: 43801

Next Prime: 43853

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 163 × 269

Divisors: 1, 163, 269, 43847

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010101101000111

Octal: 125507

Duodecimal: 2145B

Hexadecimal: ab47

Square: 1922559409

Square Root: 209.39675260137153

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

Irregular triangle read by rows: T(n,k) is the number of free polyominoes with n cells and width k, n >= 1, 1 <= k <= ceiling(n/2). A379623

Absolute discriminants of complex quadratic fields with 3-class group of type (3,3) and Hilbert 3-class field tower of exact length 3, except for the cases mentioned in the COMMENTS. A242878

a(n) is the number of free polyominoes of width 3 and size n. A353067

a(n) is the least positive integer k such that Mordell's equation y² = x³ - k has exactly n integer solutions with y >= 0. A392395

First minimum value > 0 of the form x³-k² when k > n³. A70959

Number of runs in the base 4 representation of n is congruent to 4 mod 7. A43847