400 - 241 = 159
400 600 300 1300
400 - 78 - 22 --84 - 16 - 81 - 19 - 27 = 400 - 78 - 22 + 84 - 16 - 81 - 19 - 27 = 241
The twin prime pairs from 200 to 400 are (227, 229), (239, 241), (269, 271), (281, 283), (311, 313), (and 347, 349).
241
It's usually americium-241. It undergoes alpha-decay with a half-life of about 400 years. Am-241 is artificially manufactured; it doesn't occur in nature.
about $200.00 In MINT condition, no you can easily get 400-500 for it.
Since 241 is a prime, sqrt(241) cannot be simplified.
1 x 241, 241 x 1.
30% of 241 = 241*30/100 = 72.3
241² = 58081
180 - 241 = -61Therefore, 241 + -61 = 180
http://www.rimfirecentral.com/forums/showthread.php?t=9555 95% specimen is worth about $400