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
Joe Root balls to help back up Jos Buttler's century on the way to England's total of 399 (their third highest ever One Day score. In the second ODI he only made 38 before being bowled. Root backed this up with his 7th ODI century scoring 125 in a losing effort in the third ODI. During the fourth ODI, Root scored 109, his second consecutive century, in another losing effort leaving the series drawn 2–2 coming into the fifth ODI. South Africa went on to win the series 3–2. Root finished as England's second highest scorer with 351 runs. In the second