4,9,16,36,49
so 9
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yes 9 25 49 81 121 All odd numbers squared are odd numbers
The first 20 odd numbers are: 13579111315171921232527293133353739.
You can just square the amount of numbers your want to get your answer. 1900^2 = 3,610,000
Yes. Square numbers have an odd number of factors. 49 has three factors.
The first 85 odd numbers are: 1 3579111315171921232527293133353739414345474951535557596163656769717375777981838587899193959799101103105107109111113115117119121123125127129131133135137139141143145147149151153155157159161163165167169.