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pick4 palidromic

Topic closed. 2 replies. Last post 5 years ago by lakerben.

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bgonçalves
Brasil
Member #92564
June 9, 2010
2133 Posts
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Posted: June 19, 2012, 9:42 pm - IP Logged
Hello on pick4 have 90 formaçaoes of palidromos, how we may use for filters?
Here is the list of possible of 90 Palindromic =
1001
1111
1221
1331
1441
1551
1661
1771
1881
1991
2002
2112
2222
2332
2442
2552
2662
2772
2882
2992
3003
3113
3223
3333
3443
3553
3663
3773
3883
3993
4004
4114
4224
4334
4444
4554
4664
4774
4884
4994
5005
5115
5225
5335
5445
5555
5665
5775
5885
5995
6006
6116
6226
6336
6446
6556
6666
6776
6886
6996
7007
7117
7227
7337
7447
7557
7667
7777
7887
7997
8008
8118
8228
8338
8448
8558
8668
8778
8888
8998
9009
9119
9229
9339
9449
9559
9669
9779
9889
9999
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    bgonçalves
    Brasil
    Member #92564
    June 9, 2010
    2133 Posts
    Offline
    Posted: June 19, 2012, 10:14 pm - IP Logged
    Hello on pick4 have 90 formaçaoes of palidromos, how we may use for filters?
    Here is the list of possible of 90 Palindromic =
    1001
    1111
    1221
    1331
    1441
    1551
    1661
    1771
    1881
    1991
    2002
    2112
    2222
    2332
    2442
    2552
    2662
    2772
    2882
    2992
    3003
    3113
    3223
    3333
    3443
    3553
    3663
    3773
    3883
    3993
    4004
    4114
    4224
    4334
    4444
    4554
    4664
    4774
    4884
    4994
    5005
    5115
    5225
    5335
    5445
    5555
    5665
    5775
    5885
    5995
    6006
    6116
    6226
    6336
    6446
    6556
    6666
    6776
    6886
    6996
    7007
    7117
    7227
    7337
    7447
    7557
    7667
    7777
    7887
    7997
    8008
    8118
    8228
    8338
    8448
    8558
    8668
    8778
    8888
    8998
    9009
    9119
    9229
    9339
    9449
    9559
    9669
    9779
    9889
    9999

    Reverse and add process

    The reverse and add process produces the sum of a number and the number formed by reversing the order of its digits. e.g. 56 + 65 = 121, 125 + 521 = 646.

    Some numbers become palindromes quickly after repeated reversal and addition, and are therefore not Lychrel numbers. All 1 digit and 2 digit numbers eventually become palindromes after repeated reversal and addition. About 80% of all numbers under 10,000 resolve into a palindrome in 4 or fewer steps. About 90% solve in 7 steps or less. Here are a few examples of non-Lychrel numbers:

    • 56 becomes palindromic after one iteration: 56+65 = 121.
    • 57 becomes palindromic after two iterations: 57+75 = 132, 132+231 = 363.
    • 59 becomes a palindrome after 3 iterations: 59+95 = 154, 154+451 = 605, 605+506 = 1111
    • 89 takes an unusually large 24 iterations (the most of any number under 10,000 that is known to resolve into a palindrome) to reach the palindrome 8813200023188.
    • 10,911 reaches the palindrome 4668731596684224866951378664 after 55 steps.
    • 1,186,060,307,891,929,990 takes 261 iterations to reach the 119 digit palindrome 44562665878976437622437848976653870388884783662598425855963436955852489526638748888307835667984873422673467987856626544, which is the currently known world record for the Most Delayed Palindromic Number. It was solved by Jason Doucette's algorithm and program (using Benjamin Despres' reversal-addition code) on November 30, 2005.

    The first known number starting from 0 that does not apparently form a palindrome is a three digit number, 196. It is the smallest Lychrel number candidate. fonte wikipedia

      lakerben's avatar - Lottery-061.jpg
      New Mexico
      United States
      Member #86099
      January 29, 2010
      11157 Posts
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      Posted: June 20, 2012, 12:20 am - IP Logged

      Thanks, you gave me some ideas!

      Idea