15 is a multiple of 3 and 5 !!
5 times 3, 4 and 5 -> 15, 20 and 25
3 times 5, 12 and 13 -> 15, 36, 39
15² = 225 -> 15, 112 and 113 or 15² + 112² = 113²
to be continued ...
Counting in Pythagorean numbers: 3, 4 and 5 etc
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Re: Counting in Pythagorean numbers: 3, 4 and 5 etc
16:
16, 30, 34 as a multiple of 8 !
but also
16, 63, 65 as 16² + 63² = 65² or 256 + 3969 = 4225
to be continued ...
16, 30, 34 as a multiple of 8 !
but also
16, 63, 65 as 16² + 63² = 65² or 256 + 3969 = 4225
to be continued ...
- Rein
- Usuario Colaborador
- Mensajes: 6258
- Registrado: 13 Mar 2009 15:59
- Ubicación: Leiden, Netherlands
- Contactar:
Re: Counting in Pythagorean numbers: 3, 4 and 5 etc
17:
17, 144, 145 as 17² + 144² = 145² or 289 + 20736 = 21025
to be continued ...
17, 144, 145 as 17² + 144² = 145² or 289 + 20736 = 21025
to be continued ...