Properties of the Number -2744145

Seven Hundred Forty-Four Thousand One Hundred Forty-Five

Basics

Value: -2744146 → -2744145 → -2744144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 20327

Divisors: 1, 3, 5, 9, 15, 27, 45, 135, 20327, 60981

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1010011101111101010001

Octal: -12357521

Duodecimal: -B04069

Hexadecimal: -29df51

Square: 7530331781025

Square Root: 1656.5461056064814

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

Numbers k such that φ(k) = φ(k-2) - φ(k-1). A66232

Nonsquarefree numbers n such that φ(n) = φ(n-2)-φ(n-1), where φ is Euler's totient function. A66359