The Number

18158

Eightteen Thousand One Hundred and Fifty-Eight

In Base 21 Unovigesimal Is

1k3e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

18155
1k3b21
Eightteen Thousand One Hundred and Fifty-Five in Base 21 Unovigesimal
18156
1k3c21
Eightteen Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
18157
1k3d21
Eightteen Thousand One Hundred and Fifty-Seven in Base 21 Unovigesimal
18159
1k3f21
Eightteen Thousand One Hundred and Fifty-Nine in Base 21 Unovigesimal
18160
1k3g21
Eightteen Thousand One Hundred and Sixty in Base 21 Unovigesimal
18161
1k3h21
Eightteen Thousand One Hundred and Sixty-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.

1.8158e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000aej6gkad4d1c21

The reciprocal of 18158 in Base 21 Unovigesimal.

Palindrome?

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

The number 1k3e21 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 fifty-eight 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 fifty-eight 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 fifty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
1297
2jg21
One Thousand Two Hundred and Ninety-Seven 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 · 7211 · 2jg211 = 1k3e21

Base Conversions

The number eightteen thousand one hundred and fifty-eight in 35 different bases