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A046443 Composite numbers whose 3 prime factors are distinct in length. 1
2222, 2266, 2354, 2398, 2486, 2626, 2678, 2782, 2794, 2834, 2882, 2938, 3014, 3058, 3278, 3302, 3322, 3333, 3399, 3406, 3434, 3454, 3502, 3531, 3562, 3586, 3597, 3614, 3638, 3674, 3706, 3729, 3806, 3838, 3842, 3874, 3914, 3926, 3938, 3939, 3982, 4017 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Equivalently, the products of 3 prime numbers that have distinct lengths when written in decimal. - Peter Munn, May 30 2023
LINKS
EXAMPLE
2882 because 2882 = 2 * 11 * 131, which have 1, 2, and 3 digits, respectively.
CROSSREFS
Subsequence of A007304.
Sequence in context: A260175 A166580 A091189 * A257826 A043500 A118116
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Jul 15 1998
STATUS
approved

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Last modified February 28 07:05 EST 2024. Contains 370387 sequences. (Running on oeis4.)