Require encryption of data at least 8 bytes, number of bytes to be divisible by 4.

要求被加密的数据至少8字节，字节数能被4整除。

youdao

This value must be divisible by 2, because the system assumes that the bit values of a bitmap form an array that is word aligned.

该值必须为偶数，因为系统规定位图位值队列以字对齐。

youdao

But century years divisible by 400, like 2000, would be leap years.

但能被400整除的世纪年2000年，则为闰年。

youdao

And yes, my hunch is that our predilection to do so has more to do with our last-resort tools our bodies with numbers that cannot be broken down further (only divisible by themselves and one) than anything else.

FORBES: Small Odd Primes: Why We Love Numbers Three, Five, and Seven

That may be another reason why Chinese interest rates are divisible by nine: it is seen as an auspicious number.

ECONOMIST: Economics focus: A stitch in time saves nine | The