The Number

421872

Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-Two

In Base 21 Unovigesimal Is

23bd321

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

For more familiar numbers: See Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-Two in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421869
23bd021
Four Hundred and Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 21 Unovigesimal
421870
23bd121
Four Hundred and Twenty-One Thousand Eight Hundred and Seventy in Base 21 Unovigesimal
421871
23bd221
Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-One in Base 21 Unovigesimal
421873
23bd421
Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-Three in Base 21 Unovigesimal
421874
23bd521
Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-Four in Base 21 Unovigesimal
421875
23bd621
Four Hundred and Twenty-One Thousand Eight Hundred and Seventy-Five in Base 21 Unovigesimal

Scientific Notation

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

4.21872e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00009e65h5h0065821

The reciprocal of 421872 in Base 21 Unovigesimal.

Palindrome?

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

The number 23bd321 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 and twenty-one thousand eight hundred and seventy-two is a composite number with 80 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand eight hundred and seventy-two is a composite number with 80 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 and twenty-one thousand eight hundred and seventy-two has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
17
h21
Seventeen in Base 21 Unovigesimal
47
2521
Forty-Seven in Base 21 Unovigesimal

Prime Factorization

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

2214 · 3211 · b211 · h211 · 25211 = 23bd321

Base Conversions

The number four hundred and twenty-one thousand eight hundred and seventy-two in 35 different bases