B:BD[
2.55184] → [
2.55184:55245]
unimplemented!("true if {} is an armstrong number", num)
[
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 153, 370, 371, 407, 1634, 8208, 9474, 54748, 92727, 93084,
548834, 1741725, 4210818, 9800817, 9926315, 24678050, 24678051, 88593477, 146511208,
472335975, 534494836,
912985153,
/* 4679307774,
32164049650,
32164049651,
40028394225,
42678290603,
44708635679,
49388550606,
82693916578,
94204591914,
28116440335967,
4338281769391370,
4338281769391371,
21897142587612075,
35641594208964132,
35875699062250035,
1517841543307505039,
3289582984443187032,
4498128791164624869,
4929273885928088826,
63105425988599693916,
128468643043731391252,
449177399146038697307,
21887696841122916288858,
27879694893054074471405,
27907865009977052567814,
28361281321319229463398,
35452590104031691935943,
174088005938065293023722,
188451485447897896036875,
239313664430041569350093,
1550475334214501539088894,
1553242162893771850669378,
3706907995955475988644380,
3706907995955475988644381,
4422095118095899619457938,
121204998563613372405438066,
121270696006801314328439376,
128851796696487777842012787,
174650464499531377631639254,
177265453171792792366489765,
14607640612971980372614873089,
19008174136254279995012734740,
19008174136254279995012734741,
23866716435523975980390369295,
1145037275765491025924292050346,
1927890457142960697580636236639,
2309092682616190307509695338915,
17333509997782249308725103962772,
186709961001538790100634132976990,
186709961001538790100634132976991,
1122763285329372541592822900204593,
12639369517103790328947807201478392,
12679937780272278566303885594196922,
1219167219625434121569735803609966019,
12815792078366059955099770545296129367,
115132219018763992565095597973971522400,
115132219018763992565095597973971522401, */
]
.iter()
.any(|&number| num == number)