The Number

421981

Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-One

In Base 11 Undecimal Is

26904a11

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

For more familiar numbers: See Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

421978
26904711
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Eight in Base 11 Undecimal
421979
26904811
Four Hundred and Twenty-One Thousand Nine Hundred and Seventy-Nine in Base 11 Undecimal
421980
26904911
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty in Base 11 Undecimal
421982
26905011
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Two in Base 11 Undecimal
421983
26905111
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Three in Base 11 Undecimal
421984
26905211
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Four in Base 11 Undecimal

Scientific Notation

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

4.21981e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000421a894a2041472811

The reciprocal of 421981 in Base 11 Undecimal.

Palindrome?

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

The number 26904a11 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 nine hundred and eighty-one is a composite number with 8 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand nine hundred and eighty-one 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 and twenty-one thousand nine hundred and eighty-one has the following 3 prime factors:

7
711
Seven in Base 11 Undecimal
23
2111
Twenty-Three in Base 11 Undecimal
2621
1a7311
Two Thousand Six Hundred and Twenty-One in Base 11 Undecimal

Prime Factorization

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

7111 · 21111 · 1a73111 = 26904a11

Base Conversions

The number four hundred and twenty-one thousand nine hundred and eighty-one in 35 different bases