300 (number) and strictly non-palindromic number. 361 = 19, centered triangular number, centered octagonal number, centered decagonal number, member of the Mian–Chowla sequence; also the number of positions on a standard 19 x 19 Go board. The Bahá'í calendar is based on 19 months of 19 days each. 362 = 2 × 181, Mertens function returns 0, nontotient, noncototient. 363 = 3 × 11, sum of nine consecutive primes (23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59), Mertens function returns 0, perfect totient number. 364 = 2 × 7 × 13, tetrahedral number,
Dodge Dart Dart, Dart 330, and Dart 440. The Polara 500, offered in 2-door hardtop, 4-door hardtop, and convertible styles, was dimensionally identical but not officially a Dart by dint of its "Polara 500" badging. The Polara 500 was not built or sold in Canada, and the Dart models were the same as in the U.S. except that the base model was badged "Dart 220". The Dart and Polara were downsized as part of Chrysler's hasty effort to compete with what company leaders thought would be downsized large cars from Chevrolet—in fact they had overheard talk not of the big Chevrolets but