The Number

213742

Two Hundred and Thirteen Thousand Seven Hundred and Forty-Two

In Base 21 Unovigesimal Is

121e421

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

213739
121e121
Two Hundred and Thirteen Thousand Seven Hundred and Thirty-Nine in Base 21 Unovigesimal
213740
121e221
Two Hundred and Thirteen Thousand Seven Hundred and Forty in Base 21 Unovigesimal
213741
121e321
Two Hundred and Thirteen Thousand Seven Hundred and Forty-One in Base 21 Unovigesimal
213743
121e521
Two Hundred and Thirteen Thousand Seven Hundred and Forty-Three in Base 21 Unovigesimal
213744
121e621
Two Hundred and Thirteen Thousand Seven Hundred and Forty-Four in Base 21 Unovigesimal
213745
121e721
Two Hundred and Thirteen Thousand Seven Hundred and Forty-Five in Base 21 Unovigesimal

Scientific Notation

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

2.13742e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j259e2c92b7821

The reciprocal of 213742 in Base 21 Unovigesimal.

Palindrome?

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

The number 121e421 is not a palindrome.

Not A Prime Number

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

Two hundred and thirteen thousand seven hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and thirteen thousand seven hundred and forty-two is a composite number with 4 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 two hundred and thirteen thousand seven hundred and forty-two has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
106871
bb7221
One Hundred and Six Thousand Eight Hundred and Seventy-One in Base 21 Unovigesimal

Prime Factorization

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

2211 · bb72211 = 121e421

Base Conversions

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