The Number

13780

Thirteen Thousand Seven Hundred and Eighty

In Base 21 Unovigesimal Is

1a5421

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

For more familiar numbers: See Thirteen Thousand Seven Hundred and Eighty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

13777
1a5121
Thirteen Thousand Seven Hundred and Seventy-Seven in Base 21 Unovigesimal
13778
1a5221
Thirteen Thousand Seven Hundred and Seventy-Eight in Base 21 Unovigesimal
13779
1a5321
Thirteen Thousand Seven Hundred and Seventy-Nine in Base 21 Unovigesimal
13781
1a5521
Thirteen Thousand Seven Hundred and Eighty-One in Base 21 Unovigesimal
13782
1a5621
Thirteen Thousand Seven Hundred and Eighty-Two in Base 21 Unovigesimal
13783
1a5721
Thirteen Thousand Seven Hundred and Eighty-Three in Base 21 Unovigesimal

Scientific Notation

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

1.3780e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e27k1h9310ge21

The reciprocal of 13780 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a5421 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 seven hundred and eighty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand seven hundred and eighty is a composite number with 24 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 seven hundred and eighty has the following 4 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
13
d21
Thirteen in Base 21 Unovigesimal
53
2b21
Fifty-Three in Base 21 Unovigesimal

Prime Factorization

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

2212 · 5211 · d211 · 2b211 = 1a5421

Base Conversions

The number thirteen thousand seven hundred and eighty in 35 different bases