SHELL

on in get first two digit start with two numbers c#

while (number >= 10)
    number /= 10;

on in get first two digit start with two numbers c#

int firstDigit = (int)(Value / Math.Pow(10, (int)Math.Floor(Math.Log10(Value))));

on in get first two digit start with two numbers c#

public static int GetFirstDigitLoop(int number)
{
    while (number >= 10)
    {
        number = (number - (number % 10)) / 10;
    }
    return number;
}

on in get first two digit start with two numbers c#

int firstDigit = (int)(Value.ToString()[0]) - 48;

on in get first two digit start with two numbers c#

12,552,893 ticks

on in get first two digit start with two numbers c#

int firstdigit;
if (Value < 10)
     firstdigit = Value;
else if (Value < 100)
     firstdigit = Value / 10;
else if (Value < 1000)
     firstdigit = Value / 100;
else if (Value < 10000)
     firstdigit = Value / 1000;
else if (Value < 100000)
     firstdigit = Value / 10000;
else if (Value < 1000000)
     firstdigit = Value / 100000;
else if (Value < 10000000)
     firstdigit = Value / 1000000;
else if (Value < 100000000)
     firstdigit = Value / 10000000;
else if (Value < 1000000000)
     firstdigit = Value / 100000000;
else
     firstdigit = Value / 1000000000;

on in get first two digit start with two numbers c#

if (i >= 100000000) i /= 100000000;
if (i >= 10000) i /= 10000;
if (i >= 100) i /= 100;
if (i >= 10) i /= 10;