The Number

12155

Twelve Thousand One Hundred and Fifty-Five

In Base 21 Unovigesimal Is

16bh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

12152
16be21
Twelve Thousand One Hundred and Fifty-Two in Base 21 Unovigesimal
12153
16bf21
Twelve Thousand One Hundred and Fifty-Three in Base 21 Unovigesimal
12154
16bg21
Twelve Thousand One Hundred and Fifty-Four in Base 21 Unovigesimal
12156
16bi21
Twelve Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
12157
16bj21
Twelve Thousand One Hundred and Fifty-Seven in Base 21 Unovigesimal
12158
16bk21
Twelve Thousand One Hundred and Fifty-Eight in Base 21 Unovigesimal

Scientific Notation

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

1.2155e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000g000g000g00121

The reciprocal of 12155 in Base 21 Unovigesimal.

Palindrome?

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

The number 16bh21 is not a palindrome.

Not A Prime Number

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

Twelve thousand one hundred and fifty-five is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twelve thousand one hundred and fifty-five is a composite number with 16 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 twelve thousand one hundred and fifty-five has the following 4 prime factors:

5
521
Five in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal

Prime Factorization

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

5211 · b211 · d211 · h211 = 16bh21

Base Conversions

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