Properties of the Number 19011

Nineteen Thousand Eleven

Basics

Value: 19010 → 19011 → 19012

Parity: odd

Prime: No

Previous Prime: 19009

Next Prime: 19013

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 6337

Divisors: 1, 3, 6337, 19011

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101001000011

Octal: 45103

Duodecimal: B003

Hexadecimal: 4a43

Square: 361418121

Square Root: 137.88038294115665

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

The number of labeled graphs of n vertices that have endpoints, where an endpoint is a vertex with degree 1. A245797

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 419", based on the 5-celled von Neumann neighborhood. A282072

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A185957; by antidiagonals. A202678

Number of nondecreasing arrangements of 6 numbers x(i) in -(n+4)..(n+4) with the sum of sign(x(i))*2^|x(i)| zero. A187990

Period of the continued fraction for sqrt(5²ⁿ⁺¹). A293028

Numbers whose set of base-11 digits is {1,3}. A32918

Numbers k with property that 19·k + {2,4,8,10} are two pairs of consecutive twin primes. A152926

a(n) = (p*(p+4)+1)/2 where (p,p+4) are the n-th cousin prime pair. A163634

Number of -n..n arrays x(0..4) of 5 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative. A199900

Number of partitions of 8 copies of n into distinct parts. A258286