The Number

400642

Four Hundred Thousand Six Hundred and Forty-Two

In Base 31 Untrigesimal Is

ddrt31

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

400639
ddrq31
Four Hundred Thousand Six Hundred and Thirty-Nine in Base 31 Untrigesimal
400640
ddrr31
Four Hundred Thousand Six Hundred and Forty in Base 31 Untrigesimal
400641
ddrs31
Four Hundred Thousand Six Hundred and Forty-One in Base 31 Untrigesimal
400643
ddru31
Four Hundred Thousand Six Hundred and Forty-Three in Base 31 Untrigesimal
400644
dds031
Four Hundred Thousand Six Hundred and Forty-Four in Base 31 Untrigesimal
400645
dds131
Four Hundred Thousand Six Hundred and Forty-Five in Base 31 Untrigesimal

Scientific Notation

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

4.00642e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00029e69qctdfm31

The reciprocal of 400642 in Base 31 Untrigesimal.

Palindrome?

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

The number ddrt31 is not a palindrome.

Not A Prime Number

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

Four hundred thousand six hundred and forty-two is a composite number with 8 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

Four hundred thousand six hundred and forty-two 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 four hundred thousand six hundred and forty-two has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
11
b31
Eleven in Base 31 Untrigesimal
18211
ite31
Eightteen Thousand Two Hundred and Eleven in Base 31 Untrigesimal

Prime Factorization

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

2311 · b311 · ite311 = ddrt31

Base Conversions

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