The Number

155

One Hundred and Fifty-Five

In Base 31 Untrigesimal Is

5031

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See One Hundred and Fifty-Five in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

152
4s31
One Hundred and Fifty-Two in Base 31 Untrigesimal
153
4t31
One Hundred and Fifty-Three in Base 31 Untrigesimal
154
4u31
One Hundred and Fifty-Four in Base 31 Untrigesimal
156
5131
One Hundred and Fifty-Six in Base 31 Untrigesimal
157
5231
One Hundred and Fifty-Seven in Base 31 Untrigesimal
158
5331
One Hundred and Fifty-Eight in Base 31 Untrigesimal

Scientific Notation

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

1.55e2

Reciprocal

A number multiplied with its reciprocal is one.

0.066666666666b31

The reciprocal of 155 in Base 31 Untrigesimal.

Palindrome?

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

The number 5031 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 fifty-five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and fifty-five 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 one hundred and fifty-five has the following 2 prime factors:

5
531
Five in Base 31 Untrigesimal
31
1031
Thirty-One in Base 31 Untrigesimal

Prime Factorization

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

5311 · 10311 = 5031

Base Conversions

The number one hundred and fifty-five in 35 different bases