The Number

1642

One Thousand Six Hundred and Forty-Two

In Base 20 Vigesimal Is

42220

The numbers with a 20 subscript use Base 20 Vigesimal notation.

For more familiar numbers: See One Thousand Six Hundred and Forty-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1639
41j20
One Thousand Six Hundred and Thirty-Nine in Base 20 Vigesimal
1640
42020
One Thousand Six Hundred and Forty in Base 20 Vigesimal
1641
42120
One Thousand Six Hundred and Forty-One in Base 20 Vigesimal
1643
42320
One Thousand Six Hundred and Forty-Three in Base 20 Vigesimal
1644
42420
One Thousand Six Hundred and Forty-Four in Base 20 Vigesimal
1645
42520
One Thousand Six Hundred and Forty-Five in Base 20 Vigesimal

Scientific Notation

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

1.642e3

Reciprocal

A number multiplied with its reciprocal is one.

0.004h8gh2jiaf6if20

The reciprocal of 1642 in Base 20 Vigesimal.

Palindrome?

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

The number 42220 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and forty-two is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and forty-two is a composite number with 4 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 one thousand six hundred and forty-two has the following 2 prime factors:

2
220
Two in Base 20 Vigesimal
821
21120
Eight Hundred and Twenty-One in Base 20 Vigesimal

Prime Factorization

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

2201 · 211201 = 42220

Base Conversions

The number one thousand six hundred and forty-two in 35 different bases