Discovering the interesting side of 399!! |2019-01-06factnumbers (43)in #knowledge • 6 years ago 399 is a Lucas-Carmichael number. #math #education #numbers
Congratulations @factnumbers! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :
Click here to view your Board
If you no longer want to receive notifications, reply to this comment with the word
STOP
To support your work, I also upvoted your post!