The Number

21051

Twenty-One Thousand and Fifty-One

In Base 18 Octodecimal Is

3ah918

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21048
3ah618
Twenty-One Thousand and Forty-Eight in Base 18 Octodecimal
21049
3ah718
Twenty-One Thousand and Forty-Nine in Base 18 Octodecimal
21050
3ah818
Twenty-One Thousand and Fifty in Base 18 Octodecimal
21052
3aha18
Twenty-One Thousand and Fifty-Two in Base 18 Octodecimal
21053
3ahb18
Twenty-One Thousand and Fifty-Three in Base 18 Octodecimal
21054
3ahc18
Twenty-One Thousand and Fifty-Four in Base 18 Octodecimal

Scientific Notation

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

2.1051e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hdccca135hb618

The reciprocal of 21051 in Base 18 Octodecimal.

Palindrome?

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

The number 3ah918 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand and fifty-one is a composite number with 6 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand and fifty-one is a composite number with 6 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-one thousand and fifty-one has the following 2 prime factors:

3
318
Three in Base 18 Octodecimal
2339
73h18
Two Thousand Three Hundred and Thirty-Nine in Base 18 Octodecimal

Prime Factorization

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

3182 · 73h181 = 3ah918

Base Conversions

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