The Number

19901

Nineteen Thousand Nine Hundred and One

In Base 11 Undecimal Is

13a5211

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

19898
13a4a11
Nineteen Thousand Eight Hundred and Ninety-Eight in Base 11 Undecimal
19899
13a5011
Nineteen Thousand Eight Hundred and Ninety-Nine in Base 11 Undecimal
19900
13a5111
Nineteen Thousand Nine Hundred in Base 11 Undecimal
19902
13a5311
Nineteen Thousand Nine Hundred and Two in Base 11 Undecimal
19903
13a5411
Nineteen Thousand Nine Hundred and Three in Base 11 Undecimal
19904
13a5511
Nineteen Thousand Nine Hundred and Four in Base 11 Undecimal

Scientific Notation

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

1.9901e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000081022974a542a5811

The reciprocal of 19901 in Base 11 Undecimal.

Palindrome?

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

The number 13a5211 is not a palindrome.

Not A Prime Number

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

Nineteen thousand nine hundred and one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Nineteen 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 nineteen thousand nine hundred and one has the following 2 prime factors:

7
711
Seven in Base 11 Undecimal
2843
215511
Two Thousand Eight Hundred and Forty-Three in Base 11 Undecimal

Prime Factorization

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

7111 · 2155111 = 13a5211

Base Conversions

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