One hundred one
- This article is about the number. For the year AD 101, see 101.
One hundred one (also
One hundred and one) (101, CI) is the
natural number following
one hundred and preceding
one hundred two. It is the 26th
prime number and a
palindromic number (therefore also a
palindromic prime). The next prime is
one hundred three, with which it comprises a
twin prime. One hundred one is the sum of
five consecutive primes (
13 +
17 +
19 +
23 +
29)
101 is also:
- The atomic number of mendelevium, an actinide.
- The designation of US Highway 101, which runs from California to Washington.
- In universities, sometimes the course number of basic or entry-level courses. Also used in titles of books to indicate the book is meant for a beginner. At universities with four-digit course numbers, the equivalent course number is 1001 or 1010.
- In the title of the movie 101 Dalmatians, starring Glenn Close.
- A .com URL that redirects to the Disney.go.com website