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Sequences
Sequence	Aliquot sequenceHome prime base 2Home prime base 3Home prime base 4Home prime base 5Home prime base 6Home prime base 7Home prime base 8Home prime base 9Home prime base 10Home prime base 11Home prime base 12Home prime base 13Home prime base 14Home prime base 15Home prime base 16Home prime base 17Home prime base 18Home prime base 19Home prime base 20Home prime base 21Home prime base 22Home prime base 23Home prime base 24Home prime base 25Home prime base 26Home prime base 27Home prime base 28Home prime base 29Home prime base 30Home prime base 31Home prime base 32Home prime base 33Home prime base 34Home prime base 35Home prime base 36Inverse home prime base 2Inverse home prime base 3Inverse home prime base 4Inverse home prime base 5Inverse home prime base 6Inverse home prime base 7Inverse home prime base 8Inverse home prime base 9Inverse home prime base 10Inverse home prime base 11Greatest prime factor ^2+1Greatest prime factor ^2+2Greatest prime factor ^2-1Greatest prime factor ^2-2Greatest prime factor ^3+1Greatest prime factor ^3-1Silvester/Euclid sequence
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Status	n	Digits	Number
Checked	1228	21 (show)	728596396697106908446<21> = 2 · 7^2 · 17 · 2251 · 2273 · 135937 · 628781
Prime

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