The Number

20155

Twenty Thousand One Hundred and Fifty-Five

In Base 19 Nonadecimal Is

2hff19

The numbers with a 19 subscript use Base 19 Nonadecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20152
2hfc19
Twenty Thousand One Hundred and Fifty-Two in Base 19 Nonadecimal
20153
2hfd19
Twenty Thousand One Hundred and Fifty-Three in Base 19 Nonadecimal
20154
2hfe19
Twenty Thousand One Hundred and Fifty-Four in Base 19 Nonadecimal
20156
2hfg19
Twenty Thousand One Hundred and Fifty-Six in Base 19 Nonadecimal
20157
2hfh19
Twenty Thousand One Hundred and Fifty-Seven in Base 19 Nonadecimal
20158
2hfi19
Twenty Thousand One Hundred and Fifty-Eight in Base 19 Nonadecimal

Scientific Notation

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

2.0155e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00068g3gc0909fff19

The reciprocal of 20155 in Base 19 Nonadecimal.

Palindrome?

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

The number 2hff19 is not a palindrome.

Not A Prime Number

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

Twenty thousand one hundred and fifty-five is a composite number with 8 total factors (including 1 and itself).   See primes in Base 19 Nonadecimal

A Composite

Composites have more than just these two factors.

Twenty thousand one hundred and fifty-five is a composite number with 8 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 twenty thousand one hundred and fifty-five has the following 3 prime factors:

5
519
Five in Base 19 Nonadecimal
29
1a19
Twenty-Nine in Base 19 Nonadecimal
139
7619
One Hundred and Thirty-Nine in Base 19 Nonadecimal

Prime Factorization

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

5191 · 1a191 · 76191 = 2hff19

Base Conversions

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