Properties of the Number -144441

One Hundred Forty-Four Thousand Four Hundred Forty-One

Basics

Value: -144442 → -144441 → -144440

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 11 × 1459

Divisors: 1, 3, 9, 11, 33, 99, 1459, 4377, 13131, 16049

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100011010000111001

Octal: -432071

Duodecimal: -6B709

Hexadecimal: -23439

Square: 20863202481

Square Root: 380.0539435395981

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 x*(11 + 22·x + 20·x²)/((1-x)*(1+x)*(1 - 10·x²)). A94620

Numbers such that each decimal digit d (for all d in the range 1 <= d <= 9) occurs only in runs of length exactly d. A140057

Expansion of x*(11+13·x+20·x²) / ( (x-1)*(1+x)*(10·x²-1) ). A94621

Expansion of x*(11+20·x)/((1-x)*(1-10·x²)). A94622

LookAndSay(n) is palindromic. A79676

1 concatenated with n n's concatenated with 1. A137465

a(n) = n 4's sandwiched between two 1's. A205084