The odd natural numbers less than 11 are 1, 3, 5, 7, and 9.
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An odd natural number is a positive integer that is not divisible by 2. In this case, an odd natural number less than 11 would be 1, 3, 5, 7, or 9. These numbers cannot be divided evenly by 2 and are greater than 0.
1st odd number . . . 1 (1 less than double 1)2nd odd number . . . 3 (1 less than double 2)3rd odd number . . . 5 (1 less than double 3)4th odd number . . . 7 (1 less than double 4)5th odd number . . . 9 (1 less than double 5)Are you seeing a pattern yet ?6th odd number . . . 11 (1 less than double 6)7th odd number . . . 13 (1 less than double 7)...Qth odd number . . . . (1 less than double Q)
The converse statement for "odd natural numbers less than 8 are prime" would be "prime numbers less than 8 are odd." But honey, just because a number is odd doesn't mean it's automatically prime. Watch out for those sneaky even primes like 2, they'll throw a wrench in your logic party.
'5' & '15' are odd numbers less than 20 , and are also multiples of '5'.
The smallest odd number greater than 50 is 51.It doesn't matter what it's less than.
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.