"What is 399 to the 2nd power? (What is Three hundred ninety-nine to the second power?)" is the math problem we are solving here. In mathematical terms, 399 is the base and 2 is the exponent as follows:
3992
The problem above (399 to the 2nd power) means that you multiply 399 by itself. In other words, 399 × 399. When we do that, we get the answer as follows:
159,201
2nd Power Calculator
Here you can submit another base number that we will calculate to the 2nd power.