The Number

201980

Two Hundred and One Thousand Nine Hundred and Eighty

In Base 21 Unovigesimal Is

10h0221

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

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

Nearby Numbers

Positive, nonzero integers within three units

201977
10gkk21
Two Hundred and One Thousand Nine Hundred and Seventy-Seven in Base 21 Unovigesimal
201978
10h0021
Two Hundred and One Thousand Nine Hundred and Seventy-Eight in Base 21 Unovigesimal
201979
10h0121
Two Hundred and One Thousand Nine Hundred and Seventy-Nine in Base 21 Unovigesimal
201981
10h0321
Two Hundred and One Thousand Nine Hundred and Eighty-One in Base 21 Unovigesimal
201982
10h0421
Two Hundred and One Thousand Nine Hundred and Eighty-Two in Base 21 Unovigesimal
201983
10h0521
Two Hundred and One Thousand Nine Hundred and Eighty-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.

2.01980e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000k4d38gd49gh21

The reciprocal of 201980 in Base 21 Unovigesimal.

Palindrome?

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

The number 10h0221 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 nine hundred and eighty is a composite number with 12 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 nine hundred and eighty is a composite number with 12 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 nine hundred and eighty has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
10099
11ij21
Ten Thousand and Ninety-Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · 11ij211 = 10h0221

Base Conversions

The number two hundred and one thousand nine hundred and eighty in 35 different bases