octahedral number 39648 = tetranacci number There are 958 prime numbers between 30000 and 40000. Sloane, N. J. A. (ed.). "Sequence A002110 (Primorial numbers)"...

30000 series may refer to: Kintetsu 30000 series EMU Nankai 30000 series EMU Odakyu 30000 series EXE EMU Osaka Municipal Subway 30000 series EMU Seibu...

Race walking, or racewalking, is a long-distance discipline within the sport of athletics. Although a foot race, it is different from running in that one...

partial list of minor planets, running from minor-planet number 29001 through 30000, inclusive. The primary data for this and other partial lists is based on...

The Osaka Municipal Subway/Osaka Metro 30000 series (大阪市交通局・大阪メトロ30000系) is a rapid transit electric multiple unit (EMU) train type operated by Osaka...

The Odakyu 30000 series (小田急30000形, Odakyū 30000-gata), branded "EXE/EXEα" ("Excellent Express/Excellent Express Alpha"), is an electric multiple unit...

The Tobu 30000 series (東武30000系, Tōbu 30000-kei) is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu...

30000 Camenzind (provisional designation 2000 AB138) is a very bright background asteroid from the inner region of the asteroid belt, approximately 2...

The Seibu 30000 series (西武30000系) is an electric multiple unit (EMU) train type operated by the private railway operator Seibu Railway on commuter services...

The Thirty Thousand Islands are the world's largest freshwater archipelago, and are located mainly along the east side of Georgian Bay, part of the Great...