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.

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Jan 2, 2026 · 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.

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.

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

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.

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!

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 …

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.