The Number

213490

Two Hundred and Thirteen Thousand Four Hundred and Ninety

In Base 21 Unovigesimal Is

1212421

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

For more familiar numbers: See Two Hundred and Thirteen Thousand Four Hundred and Ninety in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

213487
1212121
Two Hundred and Thirteen Thousand Four Hundred and Eighty-Seven in Base 21 Unovigesimal
213488
1212221
Two Hundred and Thirteen Thousand Four Hundred and Eighty-Eight in Base 21 Unovigesimal
213489
1212321
Two Hundred and Thirteen Thousand Four Hundred and Eighty-Nine in Base 21 Unovigesimal
213491
1212521
Two Hundred and Thirteen Thousand Four Hundred and Ninety-One in Base 21 Unovigesimal
213492
1212621
Two Hundred and Thirteen Thousand Four Hundred and Ninety-Two in Base 21 Unovigesimal
213493
1212721
Two Hundred and Thirteen Thousand Four Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

2.13490e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000j2f8bae86c0521

The reciprocal of 213490 in Base 21 Unovigesimal.

Palindrome?

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

The number 1212421 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 four hundred and ninety is a composite number with 16 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 four hundred and ninety 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 two hundred and thirteen thousand four hundred and ninety has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
37
1g21
Thirty-Seven in Base 21 Unovigesimal
577
16a21
Five Hundred and Seventy-Seven 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 · 5211 · 1g211 · 16a211 = 1212421

Base Conversions

The number two hundred and thirteen thousand four hundred and ninety in 35 different bases