The Number

138

One Hundred and Thirty-Eight

In Base 9 Nonary Is

1639

The numbers with a 9 subscript use Base 9 Nonary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

135
1609
One Hundred and Thirty-Five in Base 9 Nonary
136
1619
One Hundred and Thirty-Six in Base 9 Nonary
137
1629
One Hundred and Thirty-Seven in Base 9 Nonary
139
1649
One Hundred and Thirty-Nine in Base 9 Nonary
140
1659
One Hundred and Forty in Base 9 Nonary
141
1669
One Hundred and Forty-One in Base 9 Nonary

Scientific Notation

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

1.38e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00524801675605248029

The reciprocal of 138 in Base 9 Nonary.

Palindrome?

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

The number 1639 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 thirty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 9 Nonary

A Composite

Composites have more than just these two factors.

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 thirty-eight has the following 3 prime factors:

2
29
Two in Base 9 Nonary
3
39
Three in Base 9 Nonary
23
259
Twenty-Three in Base 9 Nonary

Prime Factorization

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

291 · 391 · 2591 = 1639

Base Conversions

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