Question

What's the next number in this series:

0, 1 , 5, 23, 119, _

Answer 1

clue: this involves subtraction

Answer 2

really? how?

Answer 3

subtract 1 from each term

Answer 4

got it ganeshie8

Answer 5

deleted ;p

Answer 6

xD I had the factorial but i got confused after!!!!! noooo!!!! lol.

Answer 7

next term is 6! - 1

Answer 8

not easy, this one

Answer 9

what? haha..

Answer 10

\[a _{n}=n!-1\]

Answer 11

yaaaay

Answer 12

right

Answer 13

ahh.. :)) i got it. :)) ^_____^ thanks.

Answer 14

Hmm..it's the opposite of the other kind of..? the 110 is throwing me off -_-

Answer 15

clue: different base

Answer 16

ano daw? -.-

Answer 17

ooopppss

sorry i/ve made a mistake

correct is

110, 20 , 12, 11, 10, _

Answer 18

>:|

Answer 19

each term can be converted to the same number

Answer 20

right

Answer 21

ohh imkind of seeing it... 110 = 11, 10 sort of?

Answer 22

no

110 = 6
20 = 6
12 = 6
11 = 6

Answer 23

Wait are these 6's...i was just looking at a pattern i noticed after staring at these numbers for a good couple mins xD

Answer 24

110 is 6 in binary system
20 is 6 in the number system based on 3 ( 2*3 + 0 = 6)
12 is 6 in .......................................... 4 ( 1*4 + 2 = 6)

follow?

Answer 25

next is 6 in base7.. .this is real nice :)

Answer 26

10 = 6 in number susten based on 6 ( 1*6 + 0)

finally 6 = 6 system based on 7

Answer 27

haha im reading on this and comparing it to the problem he posted.Never learned it yet but it looks interesting.

Answer 28

we humans use base10 system maybe because we have ten fingers

Answer 29

thats one reason to use base 10, yes.
Any number can be converted to base 10 using this :


and so on...