The Number

1240

One Thousand Two Hundred and Forty

In Base 13 Tridecimal Is

74513

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See One Thousand Two Hundred and Forty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1237
74213
One Thousand Two Hundred and Thirty-Seven in Base 13 Tridecimal
1238
74313
One Thousand Two Hundred and Thirty-Eight in Base 13 Tridecimal
1239
74413
One Thousand Two Hundred and Thirty-Nine in Base 13 Tridecimal
1241
74613
One Thousand Two Hundred and Forty-One in Base 13 Tridecimal
1242
74713
One Thousand Two Hundred and Forty-Two in Base 13 Tridecimal
1243
74813
One Thousand Two Hundred and Forty-Three in Base 13 Tridecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.240e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001a057848147735b13

The reciprocal of 1240 in Base 13 Tridecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 74513 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand two hundred and forty is a composite number with 16 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and forty is a composite number with 16 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand two hundred and forty has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
5
513
Five in Base 13 Tridecimal
31
2513
Thirty-One in Base 13 Tridecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2133 · 5131 · 25131 = 74513

Base Conversions

The number one thousand two hundred and forty in 35 different bases