Numeric Value: 1,540

The folowing table expresses '1540' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.

BaseDR11DR10DR9DR8DR7DR6DR5DR4DR3DR2DR1
211000000100        11,101
3    2010001    112
4     120010   101
5      22130  134
6      11044  145
7       4330 134
8       3004  7
9       2101  4
10       1540 101
11       1180  A
12        A841AB
13        916134
14        7C0156
15        6CA1DE
16        604 A

Math World

Factors: 22 * 5 * 7 * 11

1 is the sum of the counting numbers from 1 to 55 (See 'The Sum/Product of the First N Counting Numbers').