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A050444 Primes setting records for earliest alphabetical position in American English. 1

%I #7 Feb 25 2015 18:15:17

%S 2,3,5,11,83,89,809,811,881,18013,18041,18049,18059,18089,18803,18839,

%T 18859,18000041,18000089,18000803,18000811,18000883,18000887,18000889,

%U 18018017,18018043,18018047,18018053,18018059,18018839,18018841,18018883,8000000011,8000000081,8000000809,8000000851,8000018009,8000018051,8000018087,8000018809,8000018881,8018000021,8018000059,8018000087,8018000839,8018000867,8018018009,8018018051,8018018081,8018018089,8018018819,8018018849,8018018851

%N Primes setting records for earliest alphabetical position in American English.

%C Each member of the sequence falls alphabetically earlier than the one before and they are all prime. Billions are American (10^9).

%C Spaces and dashes and the word "and" are not included in the comparisons.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/KnuthNumber.html">Knuth's Number</a>

%Y Cf. A050445.

%K base,fini,full,nonn,word

%O 0,1

%A Michael Lugo (mlugo(AT)thelabelguy.com), Dec 23 1999

%E Edited and corrected by _David W. Wilson_, Feb 27 2003

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Last modified May 1 10:38 EDT 2024. Contains 372163 sequences. (Running on oeis4.)