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
The Whole World is a Stage the US "Billboard" R&B chart in 1967. It also charted on the U.S. "Billboard" Hot 100, peaking at number 63. The Whole World is a Stage "The Whole World Is a Stage" is a 1966 song recorded by American R&B music group the Fantastic Four for the Ric-Tic label. It was written by Albert "Al" Hamilton, Eugene Hamilton (under the pseudonym of Ronnie Savoy), and Ed Wingate and produced by Al Kent (a pseudonym for Al Hamilton) and Wingate. Group member "Sweet" James Epps led the recording and was backed by Ralph Pruitt, Joseph Pruitt, and Wallace "Toby" Childs. The