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Showing entries 1-10 | older changes
Smallest 4-abundant number (sigma(x) > 4x) which is not divisible by any of the first n primes.
#19 by Michael De Vlieger at Tue Nov 15 17:51:36 EST 2022
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#18 by Jianing Song at Tue Nov 15 14:22:09 EST 2022
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#17 by Jianing Song at Tue Nov 15 14:21:56 EST 2022
EXAMPLE
#16 by Jianing Song at Tue Nov 15 14:17:14 EST 2022
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#15 by Jianing Song at Tue Nov 15 14:02:28 EST 2022
LINKS
#14 by Jianing Song at Tue Nov 15 10:06:54 EST 2022
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#13 by Michael De Vlieger at Mon Nov 14 20:04:12 EST 2022
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#12 by Jianing Song at Mon Nov 14 16:27:27 EST 2022
STATUS
#11 by Jianing Song at Mon Nov 14 16:26:54 EST 2022
COMMENTS
#10 by Jianing Song at Mon Nov 14 16:24:38 EST 2022
COMMENTS
STATUS