The Number

21742

Twenty-One Thousand Seven Hundred and Forty-Two

In Base 20 Vigesimal Is

2e7220

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21739
2e6j20
Twenty-One Thousand Seven Hundred and Thirty-Nine in Base 20 Vigesimal
21740
2e7020
Twenty-One Thousand Seven Hundred and Forty in Base 20 Vigesimal
21741
2e7120
Twenty-One Thousand Seven Hundred and Forty-One in Base 20 Vigesimal
21743
2e7320
Twenty-One Thousand Seven Hundred and Forty-Three in Base 20 Vigesimal
21744
2e7420
Twenty-One Thousand Seven Hundred and Forty-Four in Base 20 Vigesimal
21745
2e7520
Twenty-One Thousand Seven Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

2.1742e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000773c4baiaaage20

The reciprocal of 21742 in Base 20 Vigesimal.

Palindrome?

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

The number 2e7220 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand seven hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand seven hundred and forty-two is a composite number with 8 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 twenty-one thousand seven hundred and forty-two has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
1553
3hd20
One Thousand Five Hundred and Fifty-Three in Base 20 Vigesimal

Prime Factorization

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

2201 · 7201 · 3hd201 = 2e7220

Base Conversions

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