The Number

18123

Eightteen Thousand One Hundred and Twenty-Three

In Base 21 Unovigesimal Is

1k2021

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

For more familiar numbers: See Eightteen Thousand One Hundred and Twenty-Three in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

18120
1k1i21
Eightteen Thousand One Hundred and Twenty in Base 21 Unovigesimal
18121
1k1j21
Eightteen Thousand One Hundred and Twenty-One in Base 21 Unovigesimal
18122
1k1k21
Eightteen Thousand One Hundred and Twenty-Two in Base 21 Unovigesimal
18124
1k2121
Eightteen Thousand One Hundred and Twenty-Four in Base 21 Unovigesimal
18125
1k2221
Eightteen Thousand One Hundred and Twenty-Five in Base 21 Unovigesimal
18126
1k2321
Eightteen Thousand One Hundred and Twenty-Six in Base 21 Unovigesimal

Scientific Notation

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

1.8123e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000af797faafi3fe21

The reciprocal of 18123 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k2021 is not a palindrome.

Not A Prime Number

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

Eightteen thousand one hundred and twenty-three is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Eightteen thousand one hundred and twenty-three is a composite number with 8 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 eightteen thousand one hundred and twenty-three has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
863
1k221
Eight Hundred and Sixty-Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · 7211 · 1k2211 = 1k2021

Base Conversions

The number eightteen thousand one hundred and twenty-three in 35 different bases