673 (the 122nd prime)

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Octal(1241)8
Hexadecimal(2A1)16
Prime gap4
30th Cousin prime (the small number)The big number is 677 .
58th Prime of the Form 3n+1252 + 3 * 42
58th Prime of the Form 4n+1122 + 232
41st Left-truncatable prime 
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