Question

What numeral in base 8 equivalent to 3325(denoting 332 base 5)

Answer 1

It can help to write each number in expanded form, where the digit is multiplied by a power of the base.

332 base 5 = 3*5^2 + 3*5^1 +2*5^0 = 75 +15 +2 = 92

In base 8, this is
92 = 64 + 24 + 4 = 1*8^2 + 3*8^1 + 4*8^0 = 134 base 8

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The conversion of an integer to base b is often done by finding the remainder when dividing by b.
92/8 = 11 remainder 4
11/8 = 1 remainder 3
1/8 = 0 remainder 1

The digits of the converted number (right to left) are the remainders at each step. Here: 92 = 134 (base 8).