2138 = 1 + 2 + 345 × 6 + 7 × 8 + 9
2138 = 9 × 87 + 6 + 5 + 43 × 21
2138 = 0^5 + 1^9 + 2^7 − 3^8 + 4^6 + 5^2 + 6^0 + 7^3 + 8^4 + 9^1
2138 = 17^2 + 43^2
2138 divides 87^6 - 1.
Semiprime (Product of 2 Primes)
Factors: 1, 2, 1069, 2138
Two thousand, one hundred thirty-eight
100001011010_2
2221012_3
201122_4
32023_5
13522_6
6143_7
4132_8
2835_9
1674_11
12a2_12
c86_13
aca_14
978_15
85a_16
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