Properties of the Number 208

Two Hundred Eight

Basics

Value: 207 → 208 → 209

Parity: even

Prime: No

Previous Prime: 199

Next Prime: 211

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 13

Divisors: 1, 2, 4, 8, 13, 16, 26, 52, 104, 208

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 11010000

Octal: 320

Duodecimal: 154

Hexadecimal: d0

Square: 43264

Square Root: 14.422205101855956

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

Numbers k such that (16·10^k - 31)/3 is prime. A270929

Abundant numbers (sum of divisors of m exceeds 2m). A5101

Number of partitions of n into parts each of which is used a different number of times. A98859

First differences of toothpicks numbers A139250. A139251

Multiples of 4. A8586

a(n) is the number of partitions of n into at most 3 parts; also partitions of n+3 in which the greatest part is 3; also number of unlabeled multigraphs with 3 nodes and n edges. A1399

Practical numbers: positive integers m such that every k <= σ(m) is a sum of distinct divisors of m. Also called panarithmic numbers. A5153

c-squarefree numbers: positive integers which in binary are concatenation of distinct parts of the form 10...0 with nonnegative number of zeros. A233564

Zumkeller or integer-perfect numbers: numbers n whose divisors can be partitioned into two disjoint sets with equal sum. A83207

Numbers whose prime indices are inseparable. A335448

We use cookies

Some cookies are essential for Natory to function, like keeping you signed in. We also use optional cookies to understand how the app is used and improve it over time. Learn more in our Privacy Policy. You can manage your preferences anytime.