Properties of the Number -860405

Eight Hundred Sixty Thousand Four Hundred Five

Basics

Value: -860406 → -860405 → -860404

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 13 × 31 × 61

Divisors: 1, 5, 7, 13, 31, 35, 61, 65, 91, 155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -11010010000011110101

Octal: -3220365

Duodecimal: -355B05

Hexadecimal: -d20f5

Square: 740296764025

Square Root: 927.5801852131168

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) = n*(n+1)*(2·n+1)*(3·n+1)/6. A11195

Numbers k such that φ(k)/λ(k) increases to a record value, where φ(k) is the Euler totient function (A000010) and λ(k) is the Carmichael λ function (A002322). A66605