Properties of the Number 19208

Nineteen Thousand Two Hundred Eight

Basics

Value: 19207 → 19208 → 19209

Parity: even

Prime: No

Previous Prime: 19207

Next Prime: 19211

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 7 ⁴

Divisors: 1, 2, 4, 7, 8, 14, 28, 49, 56, 98

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100101100001000

Octal: 45410

Duodecimal: B148

Hexadecimal: 4b08

Square: 368947264

Square Root: 138.59292911256333

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 g.f.: (1+x)/(1-7·x). A3950

Numbers of form 2ⁱ*7^j, with i, j >= 0. A3591

Place n equally-spaced points around a circle and join every pair of points by a chord; this divides the circle into a(n) regions. A6533

Numbers whose prime factors are 2 and 7. A33847

Number of partitions of n into parts of 4 kinds. A23003

Products of the 4th power of a prime and a distinct prime of power 3 (p⁴*q³). A179666

Matula-Goebel numbers of series-reduced powerful rooted trees. A317705

Triangle whose (i,j)-th entry is binomial(i,j)*7^i-j. A27466

Cubefull numbers that are not prime powers. A372695

Cubefull Achilles numbers. A388293