138 = 12 × 3 + 4 + 5 + 6 + 78 + 9
138 = 98 + 7 + 6 + 5 × 4 + 3 × 2 + 1
138 = 0^7 − 1^9 + 2^5 − 3^8 + 4^6 + 5^3 + 6^2 + 7^4 + 8^0 + 9^1
138 = ( 47^2 - 1 ) /16
Sphenic number: Product of 3 distinct Primes, (List)
Sum of four consecutive prime
Factors: 1, 2, 3, 6, 23, 46, 69, 138
Representations, Binary to Hexadecimal:
One hundred thirty-eight
10001010_2
12010_3
2022_4
1023_5
350_6
255_7
212_8
163_9
116_11
b6_12
a8_13
9c_14
93_15
8a_16
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Undergraduate Texts in Mathematics
Graduate Studies in Mathematics

