Properties of the Number -104005

One Hundred Four Thousand Five

Basics

Value: -104006 → -104005 → -104004

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 11 × 31 × 61

Divisors: 1, 5, 11, 31, 55, 61, 155, 305, 341, 671

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001011001000101

Octal: -313105

Duodecimal: -50231

Hexadecimal: -19645

Square: 10817040025

Square Root: 322.4980620096809

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) = Fibonacci(6·n)/8. A49660

Rectangular array of numbers Fibonacci(m(n+1))/Fibonacci(m), m >= 1, n >= 0, read by downward antidiagonals. A28412

a(n) = (2·n-1)*(5·n²-5·n+2)/2. A63495

Chebyshev polynomial of the second kind U(4,n). A144139

Array T(m,n) = Fibonacci(m·n)/Fibonacci(m), by antidiagonals; transpose of A028412. A214978

Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors. A321494

a(n) = n⁴ - 3·n² + 1. A57722

Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n). A31122

Denominators of continued fraction convergents to sqrt(720). A42387

Number of (w,x,y,z) with all terms in {1,...,n} and w<x·y*z. A212057