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All about 17

All about 17

Michael Heppell
Michael Heppell
November 28, 2024

I’m a bit of a numbers fan.

I often count the sum of steps on stairs and I’m chuffed when it’s a prime number.
Nerd? Maybe.

I love playing with numbers and take delight when they do clever stuff.
Geek? Probably.

And I especially love 17.


Here are 17 reasons why 17 is a cool number:

  1. 17 is a prime number (only divisible by 1 and itself) ☝️
  2. 17 is the sum of the first four prime numbers: 2 + 3 + 5 + 7 🤓
  3. Haiku, a form of Japanese poetry, traditionally has 17 syllables 🇯🇵
  4. In the UK, you can start to drive at 17 – beep beep! 🚙
  5. There are 17 keys in the key of a standard piano octave 🎹
  6. In geometry, a 17-sided polygon is known as a HEPtadecagon – love the HEP 😌
  7. Apollo 17 was the last manned mission to the moon 🌖
  8. The Leaning Tower of Pisa has 17 floors 🍕
  9. There are 17 known moons of Uranus 🌕
  10. According to Greek mythology, the rainbow has 17 colours 🌈
  11. The record for the most people crammed into a Smart car is 17 🚘
  12. 17 is a significant number in blackjack 🃏
  13. In numerology, 17 is seen as a combination of 1 and 7, symbolising new beginnings (1) and good fortune (7) 🥠
  14. March 17 is St Patrick’s Day ☘️
  15. In Roman numerals, 17 is written as XVII - it was considered a symbol of immortality 💪🏼
  16. The fastest red card in professional football was issued 17 seconds after kick-off 🟥
  17. The Michael Heppell Black Friday Sale link is based entirely on 17 - tenuous link, I know. You can grab amazing offers on the book, the audio, DAY17, and my private coaching group TEAM17.

Last week I asked you to vote on whether we should have a sale. You decided 6:1 that we SHOULD!
And in true Black Friday tradition, the offers are amazing.
Take a look here and please leave your Why 17 is a cool number comments below.

Be Brilliant!

Michael

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