A067491
Powers of 5 with initial digit 1.
Original entry on oeis.org
1, 125, 15625, 1953125, 1220703125, 152587890625, 19073486328125, 11920928955078125, 1490116119384765625, 186264514923095703125, 116415321826934814453125, 14551915228366851806640625, 1818989403545856475830078125, 1136868377216160297393798828125
Offset: 1
Cf.
A067480,
A067481,
A067482,
A067483,
A067484,
A067485,
A067486,
A067487,
A067488,
A067489,
A067490.
-
Filtered(List([0..40],n->5^n),i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 21 2018
-
select(x-> "1"=""||x[1], [5^n$n=0..50])[]; # Alois P. Heinz, Oct 21 2018
A067492
Powers of 6 with initial digit 1.
Original entry on oeis.org
1, 1296, 1679616, 10077696, 13060694016, 16926659444736, 101559956668416, 131621703842267136, 170581728179578208256, 1023490369077469249536, 1326443518324400147398656, 1719070799748422591028658176
Offset: 1
Cf.
A067480,
A067481,
A067482,
A067483,
A067484,
A067485,
A067486,
A067487,
A067488,
A067489,
A067490,
A067491.
-
Filtered(List([0..40],n->6^n),i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 22 2018
-
Select[6^Range[0,40],IntegerDigits[#][[1]]==1&] (* Harvey P. Dale, Oct 04 2023 *)
A067493
Powers of 7 with initial digit 1.
Original entry on oeis.org
1, 16807, 117649, 1977326743, 13841287201, 1628413597910449, 11398895185373143, 191581231380566414401, 1341068619663964900807, 157775382034845806615042743, 1104427674243920646305299201
Offset: 1
Cf.
A067480,
A067481,
A067482,
A067483,
A067484,
A067485,
A067486,
A067487,
A067488,
A067489,
A067490,
A067491,
A067492.
A067494
Powers of 8 with initial digit 1.
Original entry on oeis.org
1, 16777216, 134217728, 1073741824, 18014398509481984, 144115188075855872, 1152921504606846976, 19342813113834066795298816, 154742504910672534362390528, 1237940039285380274899124224
Offset: 1
Cf.
A067480,
A067481,
A067482,
A067483,
A067484,
A067485,
A067486,
A067487,
A067488,
A067489,
A067490,
A067491,
A067492,
A067493.
-
Filtered(List([0..40],n->8^n),i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 22 2018
-
Select[8^Range[0,30],IntegerDigits[#][[1]]==1&] (* Harvey P. Dale, Jun 10 2023 *)
A067495
Powers of 9 having initial digit 1.
Original entry on oeis.org
1, 1853020188851841, 16677181699666569, 150094635296999121, 1350851717672992089, 12157665459056928801, 109418989131512359209, 1824800363140073127359051977856583921, 16423203268260658146231467800709255289, 147808829414345923316083210206383297601
Offset: 1
Cf.
A067480,
A067481,
A067482,
A067483,
A067484,
A067485,
A067486,
A067487,
A067488,
A067489,
A067490,
A067491,
A067492,
A067493,
A067494.
-
Filtered(List([0..40],n->9^n),i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 22 2018
-
select(x-> "1"=""||x[1],[9^n$n=0..60])[]; # Alois P. Heinz, Oct 22 2018
-
Select[9^Range[0,50],First[IntegerDigits[#]]==1&] (* Harvey P. Dale, Oct 01 2015 *)
Showing 1-5 of 5 results.