0.2477064489517921152...

This number is neither prime nor composite.

                                                            0.247 7064489517
9211527857 3436069677 1970659350 6844306013 0985994037 8697863054 6911132454
7812930675 4385642711 0815424206 2468192025 4924559589 6641387245 1601313454
4765634944 6913654685 5016965820 7965562653 0471367901 2088080993 9869806823
8027618661 3025018157 0085355362 7477138178 3231480662 5543060146 4179056343
6290708451 6516490883 7011806337 8718943331 8167824645 6976931678 6969337478
4745366902 7183286715 4961984190 8945077738 7368162519 0123866044 1808728261
1377375659 3318920510 5299198931 5467350468 7261374867 4616743733 1528513165
3854163699 7607366160 0355809309 7913822869 1418880297 9684341618 4659452880
6684558940 8228637052 6979181296 2456603427 2683965696 3796839686 9902919175
2720600051 2097006302 9635223289 5714816739 2438782760 2126491911 5692274486
6522796593 4137867837 9551120143 8643286644 2704912478 3022464173 2617561192
3328936704 4077477790 9174876669 4072184259 1140374024 0959684035 5301075819
2021437712 1111168641 4850934194 2845014680 3342523709 5845100267 9031668130
7989181865 9725114877 8463286357 4022582220 8291453016 2301639080 0661991235
7015952520 2076281545 6065829327 3409116294 1994091576 0385738321 6920862759
7455108362 9895902704 7981949694 1830352055 9606092527 7700267065 3553187435
6258574443 4849555701 2696298403 0767361238 1930113847 9469695278 7753228...

+ The value of the continued fraction 1/(2^2+1/(3^3+1/(5^5+1/(7^7+1/(11^11+ ...))))). [Brown]

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