The Number

201505

Two Hundred and One Thousand Five Hundred and Five

In Base 21 Unovigesimal Is

10fja21

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

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

Nearby Numbers

Positive, nonzero integers within three units

201502
10fj721
Two Hundred and One Thousand Five Hundred and Two in Base 21 Unovigesimal
201503
10fj821
Two Hundred and One Thousand Five Hundred and Three in Base 21 Unovigesimal
201504
10fj921
Two Hundred and One Thousand Five Hundred and Four in Base 21 Unovigesimal
201506
10fjb21
Two Hundred and One Thousand Five Hundred and Six in Base 21 Unovigesimal
201507
10fjc21
Two Hundred and One Thousand Five Hundred and Seven in Base 21 Unovigesimal
201508
10fjd21
Two Hundred and One Thousand Five Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

2.01505e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k5d3hdd9d95c21

The reciprocal of 201505 in Base 21 Unovigesimal.

Palindrome?

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

The number 10fja21 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 one thousand five hundred and five is a composite number with 8 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 one thousand five hundred and five 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 two hundred and one thousand five hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
191
9221
One Hundred and Ninety-One in Base 21 Unovigesimal
211
a121
Two Hundred and Eleven in Base 21 Unovigesimal

Prime Factorization

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

5211 · 92211 · a1211 = 10fja21

Base Conversions

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