The Number

201991

Two Hundred and One Thousand Nine Hundred and Ninety-One

In Base 12 Duodecimal Is

98a8712

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

201988
98a8412
Two Hundred and One Thousand Nine Hundred and Eighty-Eight in Base 12 Duodecimal
201989
98a8512
Two Hundred and One Thousand Nine Hundred and Eighty-Nine in Base 12 Duodecimal
201990
98a8612
Two Hundred and One Thousand Nine Hundred and Ninety in Base 12 Duodecimal
201992
98a8812
Two Hundred and One Thousand Nine Hundred and Ninety-Two in Base 12 Duodecimal
201993
98a8912
Two Hundred and One Thousand Nine Hundred and Ninety-Three in Base 12 Duodecimal
201994
98a8a12
Two Hundred and One Thousand Nine Hundred and Ninety-Four in Base 12 Duodecimal

Scientific Notation

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

2.01991e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001294873198a682412

The reciprocal of 201991 in Base 12 Duodecimal.

Palindrome?

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

The number 98a8712 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 ninety-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Two hundred and one thousand nine hundred and ninety-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 two hundred and one thousand nine hundred and ninety-one has the following 2 prime factors:

73
6112
Seventy-Three in Base 12 Duodecimal
2767
172712
Two Thousand Seven Hundred and Sixty-Seven in Base 12 Duodecimal

Prime Factorization

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

61121 · 1727121 = 98a8712

Base Conversions

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