The Number

401

Four Hundred and One

In Base 16 Hexadecimal Is

19116

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

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

Nearby Numbers

Positive, nonzero integers within three units

398
18e16
Three Hundred and Ninety-Eight in Base 16 Hexadecimal
399
18f16
Three Hundred and Ninety-Nine in Base 16 Hexadecimal
400
19016
Four Hundred in Base 16 Hexadecimal
402
19216
Four Hundred and Two in Base 16 Hexadecimal
403
19316
Four Hundred and Three in Base 16 Hexadecimal
404
19416
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.

4.01e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00a36e71a2cb03316

The reciprocal of 401 in Base 16 Hexadecimal.

Palindrome?

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

The number 19116 is a palindrome.

A Prime Number

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

Four hundred and one is the 79th prime number.   See primes in Base 16 Hexadecimal

Not A Composite

Composites have more than just these two factors.

Four Hundred and One is not a composite number because it has exactly two factors: One and 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 four hundred and one has the following 1 prime factor:

401
19116
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

191161 = 19116

Base Conversions

The number four hundred and one in 35 different bases