| ||||
|---|---|---|---|---|
| Cardinal | two hundred seventy-one | |||
| Ordinal | 271st (two hundred seventy-first) | |||
| Factorization | prime | |||
| Prime | yes | |||
| Greek numeral | ΣΟΑ´ | |||
| Roman numeral | CCLXXI,cclxxi | |||
| Binary | 1000011112 | |||
| Ternary | 1010013 | |||
| Senary | 11316 | |||
| Octal | 4178 | |||
| Duodecimal | 1A712 | |||
| Hexadecimal | 10F16 | |||
271 (two hundred [and] seventy-one) is thenatural number after270 and before272.
271 is atwin prime with269,[1] acuban prime (a prime number that is the difference of two consecutive cubes),[2] and acentered hexagonal number.[3] It is the smallest prime number bracketed on both sides by numbers divisible by cubes,[4] and the smallest prime number bracketed by numbers with five primes (counting repetitions) in their factorizations:[5]
After 7, 271 is the second-smallest Eisenstein–Mersenne prime, one of the analogues of theMersenne primes in theEisenstein integers.[6]
271 is the largest prime factor of the five-digitrepunit 11111,[7] and the largest prime number for which thedecimal period of itsmultiplicative inverse is 5:[8]
It is asexy prime with 277.