How can you get the first digit in an int (C#)?

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遇见更好的自我
遇见更好的自我 2020-12-02 05:43

In C#, what\'s the best way to get the 1st digit in an int? The method I came up with is to turn the int into a string, find the 1st char of the string, then turn it back to

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  •  一生所求
    2020-12-02 05:55

    The best I can come up with is:

    int numberOfDigits = Convert.ToInt32(Math.Floor( Math.Log10( value ) ) );
    
    int firstDigit = value / Math.Pow( 10, numberOfDigits );
    

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