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.

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 …

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Convert 0.73 to Fraction. Decimal-to-fraction chart and calculator. Writes any decimal number as a fraction

For example, it can help you find out what is 73% as a decimal? (The answer is: 0.73). Whether you're a student working on math problems, a professional dealing with financial data, or simply curious about …

Feb 20, 2025 · "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.

Dec 11, 2023 · If you have seen the series The Big Bang Theory you will have noticed Sheldon Cooper's obsession with the number 73. It is as special as it sounds and we will tell you the reasons.

Nov 1, 2025 · 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 …

4 days ago · Learn when to use CPT modifiers 53, 73, and 74 for discontinued procedures. Understand physician vs ASC and hospital outpatient reporting, anesthesia rules, and CMS guidance.

Jan 1, 2026 · Required minimum distributions (RMDs) in 2026 are mandatory withdrawals from tax-deferred retirement accounts once you turn 73.