Properties of the Number 43091

Forty-Three Thousand Ninety-One

Basics

Value: 43090 → 43091 → 43092

Parity: odd

Prime: No

Previous Prime: 43067

Next Prime: 43093

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 41 × 1051

Divisors: 1, 41, 1051, 43091

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010100001010011

Octal: 124123

Duodecimal: 20B2B

Hexadecimal: a853

Square: 1856834281

Square Root: 207.5837180512961

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) = (2·n-1)*(5·n²-5·n+2)/2. A63495

T(n,k)=1/4 the number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences. A209858

Sum of all the middle parts in the partitions of 3n into 3 parts. A236364

Number of vertices in a graph of n adjacent rectangles in a row with all possible diagonals drawn, as in A306302, but without the rectangles' edges which are perpendicular to the row. A369176

Sum of the middle parts in the partitions of 4n-1 into 3 parts. A240707

1/4 the number of (n+1)X3 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences. A209852

1/4 the number of (n+1)X4 0..3 arrays with every 2X2 subblock having one or four distinct clockwise edge differences. A209853

Every string of 2 consecutive base 5 digits contains exactly 2 distinct numbers. A43091