Properties of the Number -19099

Nineteen Thousand Ninety-Nine

Basics

Value: -19100 → -19099 → -19098

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 71 × 269

Divisors: 1, 71, 269, 19099

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100101010011011

Octal: -45233

Duodecimal: -B077

Hexadecimal: -4a9b

Square: 364771801

Square Root: 138.19913169047047

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

Expansion of ∏_k>=1 (1 - x^k)^-k³. A23872

a(n) is the minimal odd evil k, such that kⁱ, i=1,2,...,n, all are evil, and a(n)=0, if there is no such k. A230495

Highest proper factor of n!+1. A56111

Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+2x+3y>1. A211622

Composites c for which an integer 1 < k < c exists such that (c-k)! == -1 (mod c). A256519

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones. A31797

Starting positions of strings of three 2's in the decimal expansion of π. A83606

Members of A038512 of the form k, k+2, k+6, k+8. A155511

Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero. A304853

a(n) is the least number k such that {k, k², ..., kⁿ} are all evil numbers (A001969), but kⁿ⁺¹ is not. A345398

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