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Encyclopaedia Britannica
britannica.com
did:plc:klfyhgqtfo3kkug7sk5pdzvo
1000000000000066600000000000001 is a prime number…it is also a palindrome.
It’s called ‘Belphegor's prime.’
‘Belphegor’ refers to one of the Seven Princes of Hell (due to the ‘666’ in the middle & the 13 zeroes on either side).
So that’s cute.
2025-02-21T15:23:21.451Z