1,338

“	All you have to know for the test is that you can survive 1,338 days without eating and that you like tennis balls!	”
	— Leafy to Bubble, Hurtful!

1338 (one thousand, three hundred [and] thirty-eight) is a recurring number in the BFDI series. It refers to the number of days one can go without eating, according to Leafy in "Hurtful!".

Appearances

1. "Hurtful!": According to Leafy, one can go 1,338 days without eating. This value is about 3.67 years, and is not true in real life.
2. "Taste the Sweetness": Tennis Ball tries 01338 as the second passcode guess for the vault.
3. "Well, Look Who It Is!": According to Firey, the French bakery was abandoned in the year 1338, making the bread over 600 years old.
4. "Return of the Rocket Ship": According to Tennis Ball, the coordinates of X's hidden treasure are 133, -82, -7.63. (The second half, 2,763, refers to the number of miles between the Plains and Yoyleland.)

Mathematical properties

• The prime factorization of 1338 is 2 × 3 × 223.
• The binary expansion of 1338 is 10100111010.
• The duodecimal/dozenal expansion of 1338 is 936.
• The hexadecimal expansion of 1338 is 53A.
• 1338 is a number m such that the Bernoulli number B_m has a denominator of 42.
• In chemistry, 1338 is a magic number: "atoms with full shells containing any of these numbers of electrons are considered electronically stable".
• 1338 is a number m such that there are precisely six groups of order m.

Trivia

• On August 31, 2013, BFDI was released 1,338 days ago.
• On February 27, 2016, BFDIA was released 1,338 days ago.
• On May 1, 2020, IDFB was released 1,338 days ago.
• On July 3, 2021, BFB was released 1,338 days ago.
• On September 9, 2024, TPOT was released 1,338 days ago.

See also

• 2,763