30th birthday cake

On this Wikipedia the language links 30th birthday cake at the top of the page across from the article title. 30 is a square pyramidal number.

30 is an even, composite, pronic number. It has an aliquot sum of 42, which is the second sphenic number. The largest number such that all coprimes smaller than itself, except for 1, are prime. The sum of the first four squares, making it a square pyramidal number. The measure of the central angle and exterior angle of a dodecagon, which is the petrie polygon of the 24-cell. The number of sides of a triacontagon, which in turn is the petrie polygon of the 120-cell and 600-cell.

The number of sides of a dodecahedron and icosahedron, of vertices of an icosidodecahedron, and of faces of a rhombic dodecahedron. The sum of the number of elements of a 5-cell: 5 vertices, 10 edges, 10 faces, and 5 cells. 30 is the only number less than 60 that is neither a prime nor of the aforementioned form. Therefore, 30 is the only candidate for the order of a simple group less than 60, in which one needs other methods to specifically reject to eventually deduce said order.

Look up thirty in Wiktionary, the free dictionary. The atomic number of zinc is 30. Messier object M30, a magnitude 8. The minimum age for United States senators. In some regions of the continental United States, the 30th birthday is celebrated by gifting sticks. Jesus of Nazareth was baptized by John the Baptist, signaling the beginning of his public ministry of teaching and healing. In The Myth of Sisyphus the French existentialist Albert Camus comments that the age of thirty is a crucial period in the life of a man, for at that age he gains a new awareness of the meaning of time.

In Franz Kafka’s novel The Trial Joseph wakes up on the morning of his thirtieth birthday to find himself under arrest for an unspecified crime. After making many futile attempts to find the nature of the crime or the name of his accuser, Joseph dies on the eve of his thirty-first birthday. The number of uprights that formed the Sarsen Circle at Stonehenge, also the supposed number of holes forming the arrays of Y and Z Holes at Stonehenge. Western Christianity’s most prolific 20th-century essayist, F. In tennis, the number 30 represents the second point gained in a game.

In baseball, 30 is the number of teams in Major League Baseball. In basketball, there are 30 teams in the National Basketball Association. 30, a 2001 album by Harry Connick, Jr. 30 Minutes”, a song by t. The On-Line Encyclopedia of Integer Sequences.

30 has at least one composite totative”. A cool little 30 Minutes Timer! Simple to use, no settings, just click start for a countdown timer of 30 Minutes. Use this 30 Minutes Full Screen? Here are some great pre-set timers ready to use.

They range from a 1 second timer – up to a year timer! It’s pointless – but you asked for it! If the timer you want is not here — just make ANY timer you want above. Countdown Timer – The Countdown Timer part split out, just for you. Large Stopwatch – Use the Stopwatch in FULL SCREEN. Egg Timer – An Online Sand Timer.

Bomb Countdown – Watch the fuse go down. Clock Countdown – It goes round and round. Chess Timer – Clock goes UP, Timer goes Down. Online Clock – An Online Clock! Online Alarm Clock – An Online Alarm Clock!