## FLHR-ANV: One Hundred and Thirteen

- 113 is the 30th prime number, following 109 and preceding 127
- 113 is CXIII as Roman numeral
- 113 is a London Bus Route (at night called N113), between Edgware – Mill Hill – Hendon – Brent Cross – Swiss Cottage – Marble Arch
- 113 is a Sophie Germain prime, as (2 x 113)+1=227, which is also a prime
- 113 is the fire emergency telephone number in Indonesia
- 113 is a Chen prime, because 113+2=115 is the product of 2 primes (5 and 23)
- 113 is the medical emergency telephone number in Norway and Latvia
- 113 is a Proth prime as it is a prime number of the form 7 × 2^4 + 1 (7 is odd and 4 is integer)
- 113 is the police emergency telephone number in Italy, Luxembourg, Slovenia and Vietnam
- 113 is a primeval number. The first 6 primeval numbers are 1, 2, 13, 37, 107 and 113. From 113 a total of 7 prime number can be optained (3, 11, 13, 31, 113, 131, 311)
- 113 is the Argentina time telephone number
- 113 is a permutable prime with 131 and 311, as it can have its digits’ positions switched through any permutation and still spell a prime number
- 113 is the Intelligence Agency telephone number in Iran
- 113 is an Eisenstein prime with no imaginary part and real part of the form, but do not try to understand this, your head starts spinning
- 113 is the atomic number of an element temporarily called ununtrium.
- 113 is a highly cototient number. The first few highly cototient numbers are: 2, 4, 8, 23, 35, 47, 59, 63, 83, 89, 113, 119, 167, 209, 269, 299, 329, 389, 419, 509, 629, 659, 779, 839, 1049, 1169, 1259, 1469, 1649, 1679, 1889. Again, do not try to understand
- 113 is a centered square number. The first few centered square numbers are: 1, 5, 13, 25, 41, 61, 85, 113, 145, 181, 221, 265, 313, 365, 421, 481, not easy to grasp that one…
- 113 is a a French hip hop group
- 113 is the port number of the IDENT Internet protocol that helps identify the user of a particular TCP connection
- 113, aka Cadmium-113m is a radioisotope and nuclear isomer with a halflife of 14.1 years
- 113 is a ‘Blind Pew Prime’, awarded to member of enduro clubs who develop a reputation – or a skill – for getting enduro events cancelled simply by virtue of them entering a particular event, thus earning a reputation of being unlucky.
- 113 is the number of surat al-Falaq in the Qur’an.
- 113, as in Psalms 113-118 constitute the Hallel, which is recited on the three great feasts, Passover, Weeks, and Tabernacles
- 113 is also a rare lucky number
- 113 has been written about by anthropologist Emily Anne McDonald
- 113, aka A113 (sometimes A-113 or A1-13) is an inside joke present as an Easter egg in animated films created by CalArts alumni, refers to a classroom number

Advertisements

## Leave a Reply