RE: Concatenation of prime factors of numbers
- To: mathgroup at smc.vnet.net
- Subject: [mg78659] RE: [mg78599] Concatenation of prime factors of numbers
- From: "Harvey P. Dale" <hpd1 at nyu.edu>
- Date: Fri, 6 Jul 2007 03:26:53 -0400 (EDT)
- References: <200707050801.EAA01451@smc.vnet.net>
- Reply-to: "Harvey P. Dale" <hpd1 at nyu.edu>
Diana:
Rest[Table[FromDigits[Flatten[Table[#[[1]],{#[[2]]}]&/@FactorInteger[i]]
],{i,20}]]
Best,
Harvey
HarveyP.Dale
UniversityProfessorofPhilanthropyandtheLaw
Director,NationalCenteronPhilanthropyandtheLaw
NewYorkUniversitySchoolofLaw
Room206A
110West3rdStreet
NewYork,N.Y.10012-1074
_____
From:Diana[mailto:diana.mecum at gmail.com]
Sent:Thursday,July05,20074:01AM
To:mathgroup at smc.vnet.net
Subject:[mg78599]Concatenationofprimefactorsofnumbers
Cansomeonehelpmewiththistrick?
Iwouldliketocreatethefollowingsequence,basedonFactorInteger:
2,3,22,5,23,7,222,33,25,11,223,13,27,35,2222,...
whereeachtermistheconcatenationoftheprimefactorsofn.
Thanks,
- References:
- Concatenation of prime factors of numbers
- From: Diana <diana.mecum@gmail.com>
- Concatenation of prime factors of numbers