2520 (number)

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2519 2520 2521
Cardinal two thousand five hundred twenty
Ordinal 2520th
(two thousand five hundred and twentieth)
Factorization 23× 32× 5 × 7
Roman numeral MMDXX
Binary 1001110110002
Ternary 101101003
Quaternary 2131204
Quinary 400405
Senary 154006
Octal 47308
Duodecimal 156012
Hexadecimal 9D816
Vigesimal 66020
Base 36 1Y036

2520 is a number with many factors. Here are some properties about 2520:

2520 is the smallest number divisible by all integers from 1 to 10, i.e., it is their least common multiple.
2520 is half of 7! (5040), meaning 7 factorial, or 7·6·5·4·3·2·1.
2520 is the product of five consecutive numbers, namely 3⋅4⋅5⋅6⋅7.
2520 is a superior highly composite number.
2520 is a colossally abundant number.
2520 is the last highly composite number which is half of the next highly composite number.[1]
2520 is the last highly composite number that is a divisor of all following highly composite numbers.[2]

Factors[edit]

The factors, also called divisors, of 2520 are the following:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520 [3]

See also[edit]

References[edit]