The Number

19720

Nineteen Thousand Seven Hundred and Twenty

In Base 11 Undecimal Is

138a811

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Nineteen Thousand Seven Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19717
138a511
Nineteen Thousand Seven Hundred and Seventeen in Base 11 Undecimal
19718
138a611
Nineteen Thousand Seven Hundred and Eightteen in Base 11 Undecimal
19719
138a711
Nineteen Thousand Seven Hundred and Nineteen in Base 11 Undecimal
19721
138a911
Nineteen Thousand Seven Hundred and Twenty-One in Base 11 Undecimal
19722
138aa11
Nineteen Thousand Seven Hundred and Twenty-Two in Base 11 Undecimal
19723
1390011
Nineteen Thousand Seven Hundred and Twenty-Three in Base 11 Undecimal

Scientific Notation

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

1.9720e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000081921425005515811

The reciprocal of 19720 in Base 11 Undecimal.

Palindrome?

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

The number 138a811 is not a palindrome.

Not A Prime Number

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

Nineteen thousand seven hundred and twenty is a composite number with 32 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Nineteen thousand seven hundred and twenty is a composite number with 32 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 nineteen thousand seven hundred and twenty has the following 4 prime factors:

2
211
Two in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
17
1611
Seventeen in Base 11 Undecimal
29
2711
Twenty-Nine in Base 11 Undecimal

Prime Factorization

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

2113 · 5111 · 16111 · 27111 = 138a811

Base Conversions

The number nineteen thousand seven hundred and twenty in 35 different bases