In decimal, 15 contains the digits 1 and 5 and is the result of adding together the integers from 1 to 5 (1 + 2 + 3 + 4 + 5 = 15). The only other number with this property (in decimal) is 27.

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The meaning of the number 15: How is 15 spell, written in words, interesting facts, mathematics, computer science, numerology, codes. 15 in Roman Numerals and images.

Nov 28, 2025 · As the product of two sacred numbers (3 × 5), 15 naturally has religious significance. In ancient Nineveh the goddess Ishtar was served by 15 priests, and the city had 15 gates.

Here, we will dive into the various properties, symbolism, and significance of the number 15, giving you a deeper understanding and appreciation for this intriguing numeral.

4 days ago · 15 Add to list Definitions of 15 noun the cardinal number that is the sum of fourteen and one synonyms: XV, fifteen

Explore the curious properties of number 15, an odd composite number composed of two distinct primes. Includes mathematical info, prime factorization, divisors, bases and much more!

Jun 3, 2023 · 15 is the third triangular number, meaning that it is the number of dots in a triangle with three dots on each side. The number 15 has been used in many famous works of art, literature, and …

The Number 15 in Daily Life The number 15 shows up in many places around us. For example, a "quarter of an hour" is 15 minutes. Many sports, like basketball, have rules involving the number 15. …

The meaning of FIFTEEN is a number that is one more than fourteen.

Number 15 is the number of the Magic Square. The magic square has been used in magic and as a talisman in many cultures around the globe for centuries. In Asia the magic square is called Lo Shu …

Tishri 15 (in the seventh month of the Hebrew sacred calendar) begins the Feast of Tabernacles. For the children of Israel, it pictured rest from the long harvest season.

Define 15. 15 synonyms, 15 pronunciation, 15 translation, English dictionary definition of 15. Noun 1. 15 - the cardinal number that is the sum of fourteen and one fifteen, XV large integer - an integer equal …

Jun 15, 2021 · The number 15 can be attributed to many areas like numerology, tradition, law, sports & games. Here are fifteen fun facts about the number 15.

15 (fifteen) is a number. It is between fourteen and sixteen, and is an odd number. It is divisible by 1, 3, 5, and 15. In Roman numerals, 15 is written as XV.

Students practice printing the number 15. Free | Kindergarten | Worksheets | Numbers | Printable.

Nov 1, 2025 · 15 (previous 14, next 16) The following are equivalent forms as digits:

The number 15 is a natural number that comes after 14 and before 16. It is an odd number, and can be divided evenly by 1, 3, 5, and 15. It is also known as a composite number, since it has more than two …

Oct 25, 2021 · OpenLearn turns 15 this week, so we’ve listed 15 facts about the number 15 – and linked each fact to a related FREE course, interactive or video.

The Fifteen, the Jacobite rising of 1715 where the House of Stuart attempted to regain the throne of the United Kingdom.

2 days ago · Expert recap and game analysis of the Dallas Mavericks vs. Utah Jazz NBA game from January 15, 2026 on ESPN.