A number n is said to be economical if the prime power factori-sation of n can be written with no more digits than n itself. We show that under a plausible hypothesis, related to the twin prime conjecture, there are arbitrarily long sequences of consecutive economial numbers, and exhibit such a sequence of length 9.

The nutritional status of children in slums of Dhaka is a sensitive indicator of health, economy and the sustainable development of Bangladesh. The research highlights the consequence of anthropometric measurements and nutritional status related other issues are taken of 102 children. The survey with a structured questionnaire was conducted by the researcher during 15th April 2015 to 6th June, ...