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A146755 Alliterative numbers: Positive integers n such that all words in n's name begin with the same letter; ignore numbers with one-word names. 2
22, 23, 32, 33, 44, 45, 54, 55, 66, 67, 76, 77, 88, 99, 2000, 2002, 2003, 2010, 2012, 2013, 2020, 2022, 2023, 2030, 2032, 2033, 3000, 3002, 3003, 3010, 3012, 3013, 3020, 3022, 3023, 3030, 3032, 3033, 10000, 10002, 10003, 10010, 10012, 10013, 10020 (list; graph; refs; listen; history; text; internal format)



Use (American if different) English. Names of these numbers then exhibit alliteration (as in poetry or literature), hence the suggested name. Hyphens connecting words and any use of the word "and" is ignored. If, for example, the normal "American System" (short scale with no "milliard", "billiard", etc.) with the suggested extension by reusable prefixes as developed and described by L.C. Noll (see link) is then used, this sequence is both well-defined and infinite.


Table of n, a(n) for n=1..45.

Landon Curt Noll, The English Name of a Number

Wikipedia, Names of Large Numbers


22 is the first term because its English name, the compound word "twenty-two", is considered here to be two words and each word starts with the letter "t". 1555 is not a term because it is treated here as "one thousand five hundred fifty five", not "fifteen fifty five" as, for example, the year 1555 would be called.


Cf. A051108.

Sequence in context: A092624 A091404 A114963 * A106556 A106554 A118297

Adjacent sequences:  A146752 A146753 A146754 * A146756 A146757 A146758




Rick L. Shepherd, Nov 01 2008



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Last modified December 18 14:15 EST 2014. Contains 252161 sequences.