the first MODERN commercial aircraft (boeing 247) entered service in1933
The Boeing 247, introduced in 1933, could fly coast to coast in about 13 to 14 hours, depending on conditions and flight paths. This was a significant improvement over earlier aircraft, which took much longer for the same journey. Its speed and efficiency marked a turning point in commercial aviation.
The reciprocal of -247 is -1/247(Because -247 = -247/1
247% = 247/100
74.130% of 247= 30% * 247= 0.30 * 247= 74.1
45% of 247= 45% * 247= 0.45 * 247= 111.15
50% of 247= 50% * 247= 0.50 * 247= 123.50
247, 494 (=247*2), 741 (=247*3) etc.
247/13=19 247 is not a prime
13.96 per hour.
Built between 280 to 247 BC
Multiples of 247