Английская Википедия:312 (number)
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312 (three hundred [and] twelve) is the natural number following 311 and preceding 313.
Mathematical properties
- It's an even number.
- It's a semi perfect number, as it is equal to the sum of some or all of its divisors.
- It's a Idoneal number.[1]
- It is a Harshad number, as it is divisible by the sum of its digits.[2]
- It's part of the Pythagorean triplets
- It's a practical number.
References
Шаблон:Reflist Шаблон:Integers
