The Number

81401

Eighty-One Thousand Four Hundred and One

In Base 16 Hexadecimal Is

13df916

The numbers with a 16 subscript use Base 16 Hexadecimal notation.

For more familiar numbers: See Eighty-One Thousand Four Hundred and One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

81398
13df616
Eighty-One Thousand Three Hundred and Ninety-Eight in Base 16 Hexadecimal
81399
13df716
Eighty-One Thousand Three Hundred and Ninety-Nine in Base 16 Hexadecimal
81400
13df816
Eighty-One Thousand Four Hundred in Base 16 Hexadecimal
81402
13dfa16
Eighty-One Thousand Four Hundred and Two in Base 16 Hexadecimal
81403
13dfb16
Eighty-One Thousand Four Hundred and Three in Base 16 Hexadecimal
81404
13dfc16
Eighty-One Thousand Four Hundred and Four in Base 16 Hexadecimal

Scientific Notation

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

8.1401e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ce1b13eab3dbb816

The reciprocal of 81401 in Base 16 Hexadecimal.

Palindrome?

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

The number 13df916 is not a palindrome.

A Prime Number

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

Eighty-one thousand four hundred and one is the 7965th prime number.   See primes in Base 16 Hexadecimal

Not A Composite

Composites have more than just these two factors.

Eighty-One Thousand Four Hundred and One is not a composite number because it has exactly two factors: One and Eighty-One Thousand Four Hundred and One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eighty-one thousand four hundred and one has the following 1 prime factor:

81401
13df916
Eighty-One Thousand Four Hundred and One in Base 16 Hexadecimal

Prime Factorization

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

13df9161 = 13df916

Base Conversions

The number eighty-one thousand four hundred and one in 35 different bases