Whole Numbers

Write the three whole numbers occurring just before $10001.$

The successor of a two digit number is always a two digit number.

The whole number $0$ has no predecessor.

The whole number $13$ lies between $11$ and $12$.

The whole number $1$ has no predecessor.

The natural number $1$ has no predecessor.

$1$ is the smallest whole number.

The predecessor of a two digit number is never a single digit number.

All whole numbers are natural numbers.

All natural numbers are whole numbers.

$600$ is the successor of $599$.

Zero is the smallest whole number.

$400$ is the predecessor of $399$.

Write the predecessor of $7654321$.

Write the predecessor of:

 $208090$

Write the predecessor of $10000$.

Write the predecessor of $94$.

Write the successor of $2345670$.

Write the successor of $1099999$.

Write the successor of $100199$.