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User:ColorfulGalaxy/Sandbox:修订间差异

此后如竟没有炬火,我便是唯一的光。
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Pi in septenary: 3 0 6 6 3 6 5 1 4 3 2 0 3 6 1 http://oeis.org/A004606
Pi in septenary: 3 0 6 6 3 6 5 1 4 3 2 0 3 6 1 http://oeis.org/A004606
153 and 1077 are not prime. 1077×7+3 is even, thus not prime.


Pi in tetradecimal: 3 1 13 10 7 5 12 13 10 8 1 3 7 5 2 http://oeis.org/A068439
Pi in tetradecimal: 3 1 13 10 7 5 12 13 10 8 1 3 7 5 2 http://oeis.org/A068439
43 is prime. 615 is not prime.
<pre>from math import e
from math import exp
for i in range(1,20):
for j in range(1,20):
  print(i,j,exp(j)-i**i)</pre>
<pre>from math import sqrt
print("(7+14)/2=",(7+14)/2)
print("sqrt(7*14)=",sqrt(7*14))</pre>


Do not add links to B23 dot TV. These links will expire after a year. {{tl|b}}
Do not add links to B23 dot TV. These links will expire after a year. {{tl|b}}

2025年4月22日 (二) 17:58的最新版本

This is the sandbox. There will probably be another one as this can get too big.


1
4
1 4 4
4 4 1
1 1 1 1
4 4 4 4
1 2
2 2
2 2
2 2
1 2 1
2 0 2
1 2 1
1 2 1
2 3 2
1 2 1
1 4 4
4 0 0
4 0 0
5 1 4
1 4 4
4 4 1
1 1 1 1
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
4 4 4 4
4 4 4 4
4 4 4 4
4 4 4 4
from math import pi
p=pi
print(int(p),end=' ')
p-=int(p)
for i in range(14):
 p*=7
 print(int(p),end=' ')
 p-=int(p)

Pi in septenary: 3 0 6 6 3 6 5 1 4 3 2 0 3 6 1 http://oeis.org/A004606

153 and 1077 are not prime. 1077×7+3 is even, thus not prime.

Pi in tetradecimal: 3 1 13 10 7 5 12 13 10 8 1 3 7 5 2 http://oeis.org/A068439

43 is prime. 615 is not prime.

from math import e
from math import exp
for i in range(1,20):
 for j in range(1,20):
  print(i,j,exp(j)-i**i)
from math import sqrt
print("(7+14)/2=",(7+14)/2)
print("sqrt(7*14)=",sqrt(7*14))

Do not add links to B23 dot TV. These links will expire after a year. {{b}}