# 227

This number is a prime.

227 is the (72)th prime number.

Here's a little prime curiosa based on Diophantine equations: 227n + 251n + 257n = 233n + 239n + 263n, n = 1, 2. Note that 227 is least of the 6 distinct primes! [Terry]

"227" is an American sitcom starring Marla Gibbs that originally aired from September 1985 to May 1990. [Hultquist]

227 = 2*3*5*7+2+3+5+7 is prime. [Poo Sung]

22/7 is the famous value of π correct to two decimal places.

The smallest three-digit prime that is changed into a composite number if any digit is deleted.

The smallest three-digit prime p such that 2^p-p^2 is also prime. [Gallardo]

In the novel Life of Pi by Yann Martel, the protagonist (Pi) survives 227 days shipwrecked at sea with a Bengal tiger.

227 is the sum of first composite numbers up to 27. [Silva]

The number of composite days in a year. [Gupta]

The smallest prime optimal town. [Post]

The only 3-digit prime whose product of digits is a perfect number. [Loungrides]

The Beatles recorded 227 songs that were officially released over the years, not including BBC or live tracks.

In Shimizu Takashi 2005 Japanese ghost movie Rinne (Reincarnation), professor Omori Norihisa kills his own daughter in the hotel room number 227. [Olry]

"227" is an American sitcom television series that originally aired on NBC.

Alpha Centauri got a new moniker after 227 star names were clarified by the International Astronomical Union.

The keyboard shortcut for π is Alt+227. [Rajanmehta]

If A = 1, B = 2, C = 3, … , Z = 26, then 'A RAMANUJAN PRIME NUMBER' is a Ramanujan prime number. [Homewood]

The ISS orbits 227 nautical miles above Earth. [Guadalupe]

Following the death of Mahsa Amini, a woman who died after being detained by the morality police allegedly for not wearing her hijab properly, a letter (signed by 227 members of Iran's Parliament) called for protesters to be taught a "good lesson" to deter others who threaten the authority of the government.

(There are 10 curios for this number that have not yet been approved by an editor.)