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,
Dart (steamboat) Dart (steamboat) The steamboat Dart operated in the early 1900s as part of the Puget Sound Mosquito Fleet. "Dart" was built in 1911 by Matthew McDowell at Tacoma for his steamboat line's Seattle-Tacoma-East Pass run. "Dart" a small vessel even by Mosquito Fleet standards. "Dart" ran on the Seattle-Tacoma-East Pass route until about 1918, when Captain McDowell sold her to the Wrangell concern of W.T. Hale and P.C. McCormick, who converted "Dart" to a motor vessel to run mail between Wrangell and Prince of Wales Island. Later, he sold "Dart" to Paul S. Charles of Ketchikan interests. In 1925 the