Anyways, why are they always odd numbers?

不管怎么说，为什么它们总是奇数呢？

So three is an odd number.

而 3 是个奇数。

One has an odd number of factors.

1的因数个数是奇数。

So this guy saw an odd number of green hats.

这个人看见的绿帽子数量是奇数。

Up until this guy, he saw an odd number of green hats.

而上一个人看到奇数顶绿帽子。

What numbers have an odd number of factors.

什么数的因数个数是奇数呢？

Those trace elements make the mineral magnetic because they have odd numbers of electrons.

这些微量元素使得矿物具有磁性因为它们拥有奇数个的电子。

Or how about this: shade in all of the odd numbers.

或这样，把奇数的部分上色。

That's why they have an odd number of factors.

这也就是 为什么它们有奇数个因数的原因。

The check was for $714.28, an odd number that immediately signaled that several students had split the prize.

奖金是714。28美元。这个奇怪的数字说明了我和其他学生一起分享了这项荣誉。