Circular numbers

Related to Circular numbers: Triangular numbers
(Arith.) those whose powers terminate in the same digits as the roots themselves; as 5 and 6, whose squares are 25 and 36.

See also: Circular

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
It may be added that the SECP had issued circular numbers 2 and 4 of 2015, directing all NGOs licensed under section 42 of the 1984 Companies Ordinance, which had completed five years of their existence to apply for renewal of license.
The walls closed and the boy and his father watched the small circular numbers above the walls light up in sequence.