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- k阶Carmichael数 Carmichael numbers of order k
- 形如pq的三阶Carmichael数 The Carmichael Numbers of Order 3 with the Form pq
- k阶广义Carmichael数集Ck generalized Carmichael numbers of order k
- 数 to count
- 3阶Carmichael数 Car michael numbers of order k
- 严格k阶Carmichael数 rigid Carmichael numbers of order k
- 色阶 color gradation
- 数位 digital
- 数个 couple
- 数数 spillikin
- 模数 modulus
- 频数 frequence
- 层数 number of plies
- 中位数 median
- 取数 access
- 数月 several months
- 补数 complementary number
- 数到 count to
- 数不清的 unnumbered
- 不可数名词 noun of continuous quantity
