Properties of the Number 19205

Nineteen Thousand Two Hundred Five

Basics

Value: 19204 → 19205 → 19206

Parity: odd

Prime: No

Previous Prime: 19183

Next Prime: 19207

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 23 × 167

Divisors: 1, 5, 23, 115, 167, 835, 3841, 19205

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100101100000101

Octal: 45405

Duodecimal: B145

Hexadecimal: 4b05

Square: 368832025

Square Root: 138.58210562695314

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

Partial sums of A000594. A144248

Numbers n such that A053597(n) sets a new record. A78515

Antidiagonal sums of the convolution array A213756. A213758

T(n,n-4), where T is the array in A026148. A26155

G.f. A(x) satisfies: 0 = [x^n-1] (x·A(x))' / (1 + x·A(x)ⁿ)ⁿ for n>1. A303558

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite NES = ν-87 H4[Al4Si64O136].nH2O starting with a T4 atom. A19205