400 (number) third perfect number, a number whose divisors add up to the actual number (1+2+4+8+16+31+62+124+248=496). 497 = 7 × 71, sum of five consecutive primes (89 + 97 + 101 + 103 + 107) 498 = 2 × 3 × 83, sphenic number, untouchable number, admirable number, abundant number A prime number, Chen prime 400 (number) 400 (four hundred) is the natural number following 399 and preceding 401. 400 is the square of 20. 400 is the sum of the powers of 7 from 0 to 3, thus making it a repdigit in base 7 (1111). A circle is divided into
Root Down (EP) heard the recording and asked for it. "Root Down" is a song by the Beastie Boys from their fourth studio album "Ill Communication". The original version of the track, as well as two remixes of the track, are featured on the "Root Down" EP. It was released as a single in promotion of the "Root Down" EP; it also served as the fourth single from "Ill Communication". A sample from jazz musician Jimmy Smith's "Root Down (And Get It)", from his seminal album "Root Down", serves as the basis for "Root Down". A small vocal sample from "Root Down" was