Properties of the Number -42105

Forty-Two Thousand One Hundred Five

Basics

Value: -42106 → -42105 → -42104

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 7 × 401

Divisors: 1, 3, 5, 7, 15, 21, 35, 105, 401, 1203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010010001111001

Octal: -122171

Duodecimal: -20449

Hexadecimal: -a479

Square: 1772831025

Square Root: 205.19502917955884

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

G.f.: A(x) = exp( ∑_n>=1 3·A038500(n) * xⁿ/n ), where A038500 is the highest power of 3 dividing n. A161809

Numbers n such that the Diophantine equation x⁴+y⁵=n⁴ has solutions. A70756