Properties of the Number 19127

Nineteen Thousand One Hundred Twenty-Seven

Basics

Value: 19126 → 19127 → 19128

Parity: odd

Prime: No

Previous Prime: 19121

Next Prime: 19139

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 31 × 617

Divisors: 1, 31, 617, 19127

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100101010110111

Octal: 45267

Duodecimal: B09B

Hexadecimal: 4ab7

Square: 365842129

Square Root: 138.30039768561767

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

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 918", based on the 5-celled von Neumann neighborhood. A290673

Indices of primes in sequence defined by A(0) = 27, A(n) = 10·A(n-1) - 13 for n > 0. A101962

Numbers k such that σ(k) - φ(k) is a 4th power. A115918

Numbers m such that ∑_i=1..m ω(i)² is divisible by m, where ω is A001221. A145191

Number of nX2 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors. A203340

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan[AlnSi112-nO224] starting with a T1 atom. A19127