Properties of the Number -383656

Three Hundred Eighty-Three Thousand Six Hundred Fifty-Six

Basics

Value: -383657 → -383656 → -383655

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 7 × 13 × 17 × 31

Divisors: 1, 2, 4, 7, 8, 13, 14, 17, 26, 28

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1011101101010101000

Octal: -1355250

Duodecimal: -166034

Hexadecimal: -5daa8

Square: 147191926336

Square Root: 619.3997093961217

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 n such that σ(n) = 7*φ(n). A136540

Denominators of continued fraction convergents to sqrt(734). A42413

Numbers k such that σ(k) = bigomega(k) * φ(k). A67238

Numbers k such that σ(k) = φ(k·bigomega(k)). A68400

a(n) = k is a number such that A007535(k), the smallest pseudoprime to base k ( > k), is the n-th Carmichael number. A293563