The Number

12155

Twelve Thousand One Hundred and Fifty-Five

In Base 18 Octodecimal Is

219518

The numbers with a 18 subscript use Base 18 Octodecimal 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
219218
Twelve Thousand One Hundred and Fifty-Two in Base 18 Octodecimal
12153
219318
Twelve Thousand One Hundred and Fifty-Three in Base 18 Octodecimal
12154
219418
Twelve Thousand One Hundred and Fifty-Four in Base 18 Octodecimal
12156
219618
Twelve Thousand One Hundred and Fifty-Six in Base 18 Octodecimal
12157
219718
Twelve Thousand One Hundred and Fifty-Seven in Base 18 Octodecimal
12158
219818
Twelve Thousand One Hundred and Fifty-Eight in Base 18 Octodecimal

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.

0.0008b83d9eda4g718

The reciprocal of 12155 in Base 18 Octodecimal.

Palindrome?

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

The number 219518 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 18 Octodecimal

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
518
Five in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal

Prime Factorization

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

5181 · b181 · d181 · h181 = 219518

Base Conversions

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