|
- 73 (number) - Wikipedia
73 (seventy-three) is the natural number following 72 and preceding 74 In English, it is the smallest natural number with twelve letters in its spelled out name
- What does ’73’ mean and why do ham radio operators say it?
It’s so popular that you may see ham radio operators sign “73” at the bottom of an email or even social media post The formal definition of 73 is “Best Regards” – it’s a nice way to say goodbye that is unique to amateur radio
- Why is 73 such a special number? | Science Driven
73 is a mirror prime, also called emirp prime, which means that 37 is also a mirror prime 73 is the 21st prime number that exists (and 21 is 7x3), but the number 37 (73 backwards) as mentioned before, is also prime and is also the 12th (21 backwards) prime number
- 73 (number) - Simple English Wikipedia, the free encyclopedia
73 (seventy-three) is a positive, odd integer Sequentially, it comes after seventy-two, but before seventy-four 73 is prime and is the 21st prime number 7 multiplied by 3 is also 21
- What Does 73 Mean in Ham Radio? [Explained] – Tigrett Outdoors
"73" is commonly used shorthand for "best regards" in ham radio communication It's a polite way to end the conversation without engaging in a lengthy discussion
- What Does 73 Mean to a Ham Operator? Understanding the Significance of . . .
The use of “73” in communication is more than just a sign-off; it reflects a culture of professionalism and goodwill among amateur radio operators This simple code carries deep meaning and enhances interactions in both casual conversations and formal exchanges
- What makes this number so special? | how it was discovered - Cuemath
For 73, the answer is: yes, 73 is a prime number because it has only two distinct divisors: 1 and itself (73) As a consequence, 73 is only a multiple of 1 and 73
- On the Origin of 73 - Signal Harbor
Many amateurs already know that "73" is from what is known as the "Phillips Code", a series of numeric messages conceived for the purpose of cutting down transmission time on the old land telegraph systems when sending text that is basically the same
|
|
|