The Number

18901

Eightteen Thousand Nine Hundred and One

In Base 21 Unovigesimal Is

20i121

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

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

Nearby Numbers

Positive, nonzero integers within three units

18898
20hj21
Eightteen Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
18899
20hk21
Eightteen Thousand Eight Hundred and Ninety-Nine in Base 21 Unovigesimal
18900
20i021
Eightteen Thousand Nine Hundred in Base 21 Unovigesimal
18902
20i221
Eightteen Thousand Nine Hundred and Two in Base 21 Unovigesimal
18903
20i321
Eightteen Thousand Nine Hundred and Three in Base 21 Unovigesimal
18904
20i421
Eightteen Thousand Nine Hundred and 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.

1.8901e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000a61ddche2b1e621

The reciprocal of 18901 in Base 21 Unovigesimal.

Palindrome?

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

The number 20i121 is not a palindrome.

Not A Prime Number

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

Eightteen thousand nine hundred and 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.

Eightteen thousand nine hundred and 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 eightteen thousand nine hundred and one has the following 2 prime factors:

41
1k21
Forty-One in Base 21 Unovigesimal
461
10k21
Four Hundred and Sixty-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

1k211 · 10k211 = 20i121

Base Conversions

The number eightteen thousand nine hundred and one in 35 different bases