Number Theory Flashcards

1
Q

Classified numbers as deficient, perfect and abundant

A

Nicomachus de Gerasa (this idea was generalized to amicable no.)

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2
Q

who dicovered the pair of amicable no.s 220,284

A

the greeks

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3
Q

1st mathematician to discover a formula for obtaining pairs of amicable no.s

A

Thabit ibn Qurra

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4
Q

On the Determination of Amicable no.s

A

Thabit ibn Qurra

10 propositions in no. theory including problem of the construction of ‘amicable’ no.s

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5
Q

in which book did thabit ibn qurra describe euler’ rule for perfect no.s and gave his theorem

A

On the calculation of amicable no.s

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6
Q

Who found the second pair 18,416

A

Ibn al Banna (in Marakech) and Kamaladdin al farisi (in Baghdad)

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7
Q

to who was the second pair (18,416) attributed to

A

French Mathematician Pierre de Fermat

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8
Q

to whom was the 3rd pair attributed to 9,363,584 and 9,437,056

A

Rene Descartes

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9
Q

who found the 3rd pair 9,363,584 and 9,437,056

A

Baqir Yazdi - 16th cent.

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10
Q

who gave the 2nd smallest pair of amicable numbers 1184,1210

A

Italian teenager mathematician Nicolo Paganini

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11
Q

who generalized thabit’s rule

A

euler- swiss mathematician

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12
Q

which 3 formulas did ibn al haythm contribute

A
  1. sum formula of 4th power (used to find volume of parabloid)
  2. formula to add 100 natural numbers and he proved it using geometry
  3. characterization of prime numbers and modern wilson’s theorem
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13
Q

who proved wilson’s theorem

A

french mathematician Joseph-Louis Lagrange- 18th cent.

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