??
What number comes next in this sequence:
1 · 3 · 5 · 7 · 11 · ?
Puzzle Copyright © Kevin Stone
workings hint hide answer print
Answer
13.
Odd numbers expressed in base 8, 11 in base 8 = 13.
What number comes next in this sequence:
1 · 3 · 5 · 7 · 11 · ?
Puzzle Copyright © Kevin Stone
workings hint hide answer print
Answer
13.
Odd numbers expressed in base 8, 11 in base 8 = 13.