The Pentonium is a building wich still in under construction in Dubai, Unite Arab Emirates. It designed by Aedas and funded by trident International Holdings. When it complete, the height of the building will be 516 m or about 1,693 ft with 120 floor above the ground. It also will be the tallest all-residential building in the world when it complete, and will be the second tallest building on Dubai after Burj Khalifa.
The name is took from the words penthouse and condominium. It will have just 4 bedroom for each residential floor on 600 square metres(about 6500 square ft). The amenities of the residents is a swimming pool, a private cinema, a health club and a banqueting hall, an observation deck, along with a cigar lounge, a business centre and more.