The Number

2018

Two Thousand and Eightteen

In Base 21 Unovigesimal Is

4c221

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

For more familiar numbers: See Two Thousand and Eightteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2015
4bk21
Two Thousand and Fifteen in Base 21 Unovigesimal
2016
4c021
Two Thousand and Sixteen in Base 21 Unovigesimal
2017
4c121
Two Thousand and Seventeen in Base 21 Unovigesimal
2019
4c321
Two Thousand and Nineteen in Base 21 Unovigesimal
2020
4c421
Two Thousand and Twenty in Base 21 Unovigesimal
2021
4c521
Two Thousand and Twenty-One in Base 21 Unovigesimal

Scientific Notation

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

2.018e3

Reciprocal

A number multiplied with its reciprocal is one.

0.004c7hbdka62f0f21

The reciprocal of 2018 in Base 21 Unovigesimal.

Palindrome?

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

The number 4c221 is not a palindrome.

Not A Prime Number

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

Two thousand and eightteen 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.

Two thousand and eightteen 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 thousand and eightteen has the following 2 prime factors:

2
221
Two in Base 21 Unovigesimal
1009
26121
One Thousand and Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 261211 = 4c221

Base Conversions

The number two thousand and eightteen in 35 different bases