Carmichael number

Summary

Carmichael number is a type of integer^[1]. It draws 155 Wikipedia views per month (type_of_integer category, ranking #11 of 70).^[2]

Key Facts

• Carmichael number's instance of is recorded as type of integer^[3].
• Robert Daniel Carmichael is named after Carmichael number^[4].
• Carmichael number's subclass of is recorded as Fermat pseudoprime^[5].
• Carmichael number's subclass of is recorded as Knödel number^[6].
• Carmichael number's Freebase ID is recorded as /m/025cf^[7].
• Carmichael number's OEIS ID is recorded as A002997^[8].
• Carmichael number's Encyclopædia Britannica Online ID is recorded as topic/Carmichael-number^[9].
• Carmichael number's MathWorld ID is recorded as CarmichaelNumber^[10].
• Carmichael number's Rosetta Code page ID is recorded as Carmichael_3_strong_pseudoprimes^[11].
• Carmichael number's maintained by WikiProject is recorded as WikiProject Mathematics^[12].
• Carmichael number's Microsoft Academic ID is recorded as 102301625^[13].
• Carmichael number's Treccani's Enciclopedia della Matematica ID is recorded as numero-di-carmichael^[14].

Why It Matters

Carmichael number draws 155 Wikipedia views per month (type_of_integer category, ranking #11 of 70).^[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.^[15] It is known by 18 alternative names across languages and contexts.^[16]