KYU Box Season 3 | Qpisode 01 | Why do Mobile Numbers have 10 Digits? | Don't Memorise | Summary and Q&A

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October 18, 2020
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KYU Box Season 3 | Qpisode 01 | Why do Mobile Numbers have 10 Digits? | Don't Memorise

TL;DR

The length of telephone numbers is determined by the population count and the number of mobile devices in a country.

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Key Insights

  • #️⃣ The length of telephone numbers is determined by population count and the number of mobile devices.
  • 🚗 India has fixed its mobile number to 10 digits to accommodate its population.
  • 🏬 The decision on telephone number length is made by the telecommunication department of each country.
  • #️⃣ Even with multiple SIM cards, the number of mobile numbers available is still sufficient.
  • 😘 Japan has opted for 11-digit mobile numbers despite having a lower population.
  • 📲 The possibility of switching to virtual IDs for phone calls in the future is an option.
  • 🚗 Exhausting all 10 billion possibilities of 10-digit mobile numbers is a possibility in the future.

Transcript

how do you make 7 an even number by taking the s out evolution in mobile phones in recent years has significantly changed how we perceive things we are definitely going to see even more advancements in the coming years but one thing that has remained constant for a very long time is that we still have to dial a fixed number of digits for making a p... Read More

Questions & Answers

Q: Why do telephone numbers have a fixed number of digits?

Telephone numbers have a fixed number of digits to ensure that each mobile number is unique and to avoid chaos and confusion if two individuals had the same number.

Q: How is the length of a telephone number determined?

The length of a telephone number is generally based on the population count and the number of mobile devices in a country. Each country's telecommunication department makes the decision on the standard number of digits.

Q: Can the length of telephone numbers change in the future?

The length of telephone numbers could potentially change in the future depending on population growth and advancements in technology. However, it is currently impossible to predict what changes may occur.

Q: How are telephone numbers arranged to create different possibilities?

Telephone numbers can be arranged using the digits 0 to 9. Each slot in a telephone number can be filled in 10 different ways, resulting in a multiplication of possibilities. For example, a 10-digit number can have 10 billion different possibilities.

Summary & Key Takeaways

  • The number of digits in a telephone number is determined by the population count and the number of mobile devices in a country.

  • Each country sets its own standards for telephone number length to ensure that every mobile number is unique.

  • India, for example, has fixed its mobile number to 10 digits to accommodate its population.

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