plural of practical number

plural of sphenic number

Alternative form of have someone's number

(idiomatic) To understand a person's character, capabilities, or situation. / Used other than figuratively or idiomatically: see have, someone's, number.

plural of social security number

plural of superparticular number

(mathematics) A number in the form of a ratio where the dividend equals the divisor plus one.

collective noun used to indicate a set of a particular number, for example, a dozen

plural of collective number

plural of number needed to harm