SPECIAL NUMBERS AND SEQUENCES This post is a part of the Special Questions Directory focusing on Quant topics traditionally neglected and not covered by conventional sources but still tested on the GMAT. Many of these are above average difficulty questions Questions about special numbers and sequences. Note that you do NOT need to know or study these numbers or sequences in advance, the questions themselves will contain their definition. If you encounter such kind of questions, read the definition carefully and don't be confused by weird numbers/sequences described there. A square-free integer: https://gmatclub.com/forum/a-positive-in ... 59462.html A Sophie Germain prime: https://gmatclub.com/forum/a-sophie-germ ... 32650.html A Farey sequence: https://gmatclub.com/forum/a-farey-seque ... 29825.html A coprime sequence: https://gmatclub.com/forum/an-infi-nite- ... 27496.html A perfect sequence: https://gmatclub.com/forum/an-infinite-s ... 27696.html Twin primes : https://gmatclub.com/forum/twin-primes-a ... 28433.html Length of an integer: https://gmatclub.com/forum/for-any-posi ... 90320.html https://gmatclub.com/forum/for-any-posi ... 26368.html https://gmatclub.com/forum/the-length-o ... 88734.html https://gmatclub.com/forum/the-length-o ... 32624.html https://gmatclub.com/forum/for-any-posi ... 40950.html https://gmatclub.com/forum/for-any-inte ... 08124.html https://gmatclub.com/forum/what-is-the- ... 32111.html Rhyming primes: https://gmatclub.com/forum/two-different ... 28903.html The connection between integers: https://gmatclub.com/forum/the-connectio ... 28360.html Sexy primes : https://gmatclub.com/forum/a-pair-of-pri ... 74141.html Alpha sequence: https://gmatclub.com/forum/an-infinite-s ... 55723.html Beta sequence: https://gmatclub.com/forum/an-infinite-s ... 51947.html A repunit number: https://gmatclub.com/forum/a-repunit-is- ... l#p1385302 A “ digifac ” number: https://gmatclub.com/forum/a-number-is-s ... 05263.html A " Pierpont prime ": https://gmatclub.com/forum/a-pierpont-pr ... 66617.html A “shrinking number”: https://gmatclub.com/forum/a-decimal-is ... 75017.html

Bunuel Rhyming prime examples both point to the same link Please correct Thanks Prathamesh

Yes, there is only one question. Removed duplicate link.

Update. A “shrinking number”: https://gmatclub.com/forum/a-decimal-is ... 75017.html

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