Properties of the Number 44181

Forty-Four Thousand One Hundred Eighty-One

Basics

Value: 44180 → 44181 → 44182

Parity: odd

Prime: No

Previous Prime: 44179

Next Prime: 44189

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 4909

Divisors: 1, 3, 9, 4909, 14727, 44181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110010010101

Octal: 126225

Duodecimal: 21699

Hexadecimal: ac95

Square: 1951960761

Square Root: 210.1927686672403

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 partitions of n such that (greatest part) > (multiplicity of least part). A240184

Replacing each digit d in decimal expansion of n with d² yields a prime at each step when done recursively three times. A316604

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 1", based on the 5-celled von Neumann neighborhood. A269908

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 275", based on the 5-celled von Neumann neighborhood. A271093

Numbers k such that 413·2^k+1 is prime. A323106

Triangle T(n,k) read by rows: T(n,k) = (m·n - m·k + 1)*T(n - 1, k - 1) + k*(m·k - (m - 1))*T(n - 1, k) where m = 2. A166961

Number of nX6 binary arrays with every 1 having exactly two king-move neighbors equal to 1. A183447

Numbers n such that string 6,1 occurs in the base 7 representation of n but not of n-1. A44181