46664 (number)

For the 46664 Nelson Mandela concerts, see 46664 (concerts).

List of numbers — Integers ← 10k 20k 30k 40k 50k 60k 70k 80k 90k →
Cardinal	46664
Ordinal	46664th
Factorization	$2^3 \times 19 \times 307$
Binary	1011011001001000
Hexadecimal	B648

46664 is the 44th record difference of the Mian–Chowla sequence. It is a minimally polygonal number. In base 10, 46664 is a palindromic number and a Smith number.

46664 (it's pronounced as four, double six, six four) was also the prison number for Nelson Mandela from his imprisonment in 1964 to his release in 1990. The number stems from the fact that he was the 466 prisoner of 1964. 46664 is also the name of the HIV/AIDS^[1] awareness campaign started by Nelson Mandela, which has held a series of charity concerts; see 46664 (concerts).

References

^ 16 July 2010 The battle for Nelson Mandela's legacy By Farouk Chothia BBC News