The Number

1155

One Thousand One Hundred and Fifty-Five

In Base 21 Unovigesimal Is

2d021

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

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

Nearby Numbers

Positive, nonzero integers within three units

1152
2ci21
One Thousand One Hundred and Fifty-Two in Base 21 Unovigesimal
1153
2cj21
One Thousand One Hundred and Fifty-Three in Base 21 Unovigesimal
1154
2ck21
One Thousand One Hundred and Fifty-Four in Base 21 Unovigesimal
1156
2d121
One Thousand One Hundred and Fifty-Six in Base 21 Unovigesimal
1157
2d221
One Thousand One Hundred and Fifty-Seven in Base 21 Unovigesimal
1158
2d321
One 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.

1.155e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00808080808080421

The reciprocal of 1155 in Base 21 Unovigesimal.

Palindrome?

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

The number 2d021 is not a palindrome.

Not A Prime Number

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

One 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.

One 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 one thousand one hundred and fifty-five has the following 4 prime factors:

3
321
Three in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal

Prime Factorization

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

3211 · 5211 · 7211 · b211 = 2d021

Base Conversions

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