The Number

31809

Thirty-One Thousand Eight Hundred and Nine

In Base 5 Quinary Is

20042145

The numbers with a 5 subscript use Base 5 Quinary notation.

For more familiar numbers: See Thirty-One Thousand Eight Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

31806
20042115
Thirty-One Thousand Eight Hundred and Six in Base 5 Quinary
31807
20042125
Thirty-One Thousand Eight Hundred and Seven in Base 5 Quinary
31808
20042135
Thirty-One Thousand Eight Hundred and Eight in Base 5 Quinary
31810
20042205
Thirty-One Thousand Eight Hundred and Ten in Base 5 Quinary
31811
20042215
Thirty-One Thousand Eight Hundred and Eleven in Base 5 Quinary
31812
20042225
Thirty-One Thousand Eight Hundred and Twelve in Base 5 Quinary

Scientific Notation

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

3.1809e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000022120010033221034333415

The reciprocal of 31809 in Base 5 Quinary.

Palindrome?

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

The number 20042145 is not a palindrome.

Not A Prime Number

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

Thirty-one thousand eight hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 5 Quinary

A Composite

Composites have more than just these two factors.

Thirty-one thousand eight hundred and nine 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 thirty-one thousand eight hundred and nine has the following 3 prime factors:

3
35
Three in Base 5 Quinary
23
435
Twenty-Three in Base 5 Quinary
461
33215
Four Hundred and Sixty-One in Base 5 Quinary

Prime Factorization

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

351 · 4351 · 332151 = 20042145

Base Conversions

The number thirty-one thousand eight hundred and nine in 35 different bases