The Number

490981

Four Hundred and Ninety Thousand Nine Hundred and Eighty-One

In Base 21 Unovigesimal Is

2b07121

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

For more familiar numbers: See Four Hundred and Ninety Thousand Nine Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

490978
2b06j21
Four Hundred and Ninety Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
490979
2b06k21
Four Hundred and Ninety Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
490980
2b07021
Four Hundred and Ninety Thousand Nine Hundred and Eighty in Base 21 Unovigesimal
490982
2b07221
Four Hundred and Ninety Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
490983
2b07321
Four Hundred and Ninety Thousand Nine Hundred and Eighty-Three in Base 21 Unovigesimal
490984
2b07421
Four Hundred and Ninety Thousand Nine Hundred and Eighty-Four in Base 21 Unovigesimal

Scientific Notation

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

4.90981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000086e75ika164821

The reciprocal of 490981 in Base 21 Unovigesimal.

Palindrome?

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

The number 2b07121 is not a palindrome.

Not A Prime Number

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

Four hundred and ninety thousand nine hundred and eighty-one 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.

Four hundred and ninety thousand nine hundred and eighty-one 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 four hundred and ninety thousand nine hundred and eighty-one has the following 2 prime factors:

23
1221
Twenty-Three in Base 21 Unovigesimal
21347
268b21
Twenty-One Thousand Three Hundred and Forty-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

12211 · 268b211 = 2b07121

Base Conversions

The number four hundred and ninety thousand nine hundred and eighty-one in 35 different bases