• 15(fifteen) is the natural number following 14 and preceding 16.
  • In most cultures 15 is when adulthood officially begins, from this age onwards (till 18 due to legal rights, or as a general marker into ones mid to late twenties, and sometimes early 30s.) they are called young adults.
  • Fifteen (song) is a song on Taylor Swift’s 2008 album Fearless
  • The number corresponding to The Devil in tarot cards.
  • 15 is also the number of days to the start of our journey.

Above facts are from Wikipedia

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