In this program, You will learn how to find the smallest digit of a number in R.

```
5234 = 2
2351 = 1
```

## Example: How to find the smallest digit of a number in R

```
{
n = as.integer(readline(prompt = "Enter a number :"))
sm = 9
while (n > 0) {
r = n %% 10
if (sm > r) {
sm = r
}
n = n %/% 10
}
print(paste("Smallest digit is :", sm))
}
```

#### Output:

```
Enter a number :34512
[1] "Smallest digit is : 1"
```