The Number

13866

Thirteen Thousand Eight Hundred and Sixty-Six

In Base 21 Unovigesimal Is

1a9621

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

For more familiar numbers: See Thirteen Thousand Eight Hundred and Sixty-Six in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13863
1a9321
Thirteen Thousand Eight Hundred and Sixty-Three in Base 21 Unovigesimal
13864
1a9421
Thirteen Thousand Eight Hundred and Sixty-Four in Base 21 Unovigesimal
13865
1a9521
Thirteen Thousand Eight Hundred and Sixty-Five in Base 21 Unovigesimal
13867
1a9721
Thirteen Thousand Eight Hundred and Sixty-Seven in Base 21 Unovigesimal
13868
1a9821
Thirteen Thousand Eight Hundred and Sixty-Eight in Base 21 Unovigesimal
13869
1a9921
Thirteen Thousand Eight Hundred and Sixty-Nine in Base 21 Unovigesimal

Scientific Notation

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

1.3866e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e0b7940957a821

The reciprocal of 13866 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a9621 is not a palindrome.

Not A Prime Number

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

Thirteen thousand eight hundred and sixty-six is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand eight hundred and sixty-six 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 thirteen thousand eight hundred and sixty-six has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
2311
55121
Two Thousand Three Hundred and 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

2211 · 3211 · 551211 = 1a9621

Base Conversions

The number thirteen thousand eight hundred and sixty-six in 35 different bases