A surname from Tamil.

plural of Ramanujan

plural of Ramanujan prime

(mathematics) A prime number that satisfies a result proven by Srinivasa Ramanujan relating to the prime-counting function.

(mathematics) The transcendental number e^(𝜋√), an almost integer, discovered in 1859 by mathematician Charles Hermite.

(number theory) The constant of proportionality (approximately 0.7642) in the relationship between the number of positive integers less than x that are the sum of two square numbers, for large x, and the expression x/√.

(mathematics) The number 1729, one of the taxicab numbers.