The number is 1.
Chat with our AI personalities
The next square number after 16 is 25
16+25 = 41 which is an odd number and also a prime number
The number 4 goes into the number 25 6 times, with 1 left over.
25 goes into 405 16 times, with five left over. You could also say 25 goes into 405 16.2 times.
The HCF of the given numbers is 25