406 - 238 = 168
439 - 406 = 29 = 120 - 91.
Plutonium-238 has 144 neutrons, plutonium-240 has 146 neutrons. Atomic mass and half life are also different.
740
238 doesn't have any factors in that range. 1190 and 1428 are multiples of 238.
Counting all integers from 1 to 238 inclusive, there are 606 digits between these two numbers.
431 and 669.
238
between 405 and 406.
In base 10: 38 Check: 34 + 4 = 38; 38 + 4 = 42 In base 6: 406 Check: 346 +2 = 406; 406 + 2 = 426
If you are in the EST zone, the time would be 406 EST or 4.06 am EST for 1106 EET or 11.06am EET. The difference between EET and EST is 7 hours.
Rand McNally says 475, Mapquest 406, symsys.com 406. 472 km which is 293.28661616164 miles
406 km across E30.