This number is a prime.
The Magnolia Bakery is located at 401 Bleecker Street in the West Village neighborhood of Manhattan, New York City. The exterior of the bakery is featured in the movie Prime.
401 was the hull number of the RMS Titanic. [Gronos]
The only 3-digit prime formed by using the squares of first three digits. [Loungrides]
The smallest prime that can be represented as the sum of products of first n pairs of consecutive positive even numbers plus 1, i.e., 2*4+6*8+10*12+14*16+1, (case n=4). [Loungrides]
USS Maury (DD-401) was a Gridley-class destroyer in the United States Navy. She was named for "Pathfinder of the Seas" Matthew Fontaine Maury (1806–1873) who was an American astronomer, naval officer, historian, oceanographer, meteorologist, cartographer, author, geologist, and educator.
The smallest of only two 3-digit tetranacci primes. The other is 773. [Loungrides]
401 is the Hebrew gematria for the word et, the untranslatable word. It’s made up of 2 Hebrew letters: Aleph and Tav which are the first and last letters of the Hebrew alphabet. [Reynolds]