The Number

166138

One Hundred and Sixty-Six Thousand One Hundred and Thirty-Eight

In Base 21 Unovigesimal Is

hjf721

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

For more familiar numbers: See One Hundred and Sixty-Six Thousand One Hundred and Thirty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

166135
hjf421
One Hundred and Sixty-Six Thousand One Hundred and Thirty-Five in Base 21 Unovigesimal
166136
hjf521
One Hundred and Sixty-Six Thousand One Hundred and Thirty-Six in Base 21 Unovigesimal
166137
hjf621
One Hundred and Sixty-Six Thousand One Hundred and Thirty-Seven in Base 21 Unovigesimal
166139
hjf821
One Hundred and Sixty-Six Thousand One Hundred and Thirty-Nine in Base 21 Unovigesimal
166140
hjf921
One Hundred and Sixty-Six Thousand One Hundred and Forty in Base 21 Unovigesimal
166141
hjfa21
One Hundred and Sixty-Six Thousand One Hundred and Forty-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.

1.66138e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00013c4j62b050fc21

The reciprocal of 166138 in Base 21 Unovigesimal.

Palindrome?

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

The number hjf721 is not a palindrome.

Not A Prime Number

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

One hundred and sixty-six thousand one hundred and thirty-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.

One hundred and sixty-six thousand one hundred and thirty-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 one hundred and sixty-six thousand one hundred and thirty-eight has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11867
15j221
Eleven Thousand Eight Hundred and Sixty-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 · 15j2211 = hjf721

Base Conversions

The number one hundred and sixty-six thousand one hundred and thirty-eight in 35 different bases