The Number

12155

Twelve Thousand One Hundred and Fifty-Five

In Base 20 Vigesimal Is

1a7f20

The numbers with a 20 subscript use Base 20 Vigesimal 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
1a7c20
Twelve Thousand One Hundred and Fifty-Two in Base 20 Vigesimal
12153
1a7d20
Twelve Thousand One Hundred and Fifty-Three in Base 20 Vigesimal
12154
1a7e20
Twelve Thousand One Hundred and Fifty-Four in Base 20 Vigesimal
12156
1a7g20
Twelve Thousand One Hundred and Fifty-Six in Base 20 Vigesimal
12157
1a7h20
Twelve Thousand One Hundred and Fifty-Seven in Base 20 Vigesimal
12158
1a7i20
Twelve Thousand One Hundred and Fifty-Eight in Base 20 Vigesimal

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.

0.000d356935jc8c8b20

The reciprocal of 12155 in Base 20 Vigesimal.

Palindrome?

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

The number 1a7f20 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 20 Vigesimal

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
520
Five in Base 20 Vigesimal
11
b20
Eleven in Base 20 Vigesimal
13
d20
Thirteen in Base 20 Vigesimal
17
h20
Seventeen in Base 20 Vigesimal

Prime Factorization

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

5201 · b201 · d201 · h201 = 1a7f20

Base Conversions

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