Seven numbers that behave strangely
1729 — Ramanujan's taxicab number: the smallest that's a sum of two cubes in two different ways.
And twin primes (11 & 13, 17 & 19) seem endless, yet no one can prove it.
1729 — Ramanujan's taxicab number: the smallest that's a sum of two cubes in two different ways.
And twin primes (11 & 13, 17 & 19) seem endless, yet no one can prove it.