The Number

421990

Four Hundred and Twenty-One Thousand Nine Hundred and Ninety

In Base 8 Octal Is

14701468

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

421987
14701438
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Seven in Base 8 Octal
421988
14701448
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Eight in Base 8 Octal
421989
14701458
Four Hundred and Twenty-One Thousand Nine Hundred and Eighty-Nine in Base 8 Octal
421991
14701478
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-One in Base 8 Octal
421992
14701508
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Two in Base 8 Octal
421993
14701518
Four Hundred and Twenty-One Thousand Nine Hundred and Ninety-Three in Base 8 Octal

Scientific Notation

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

4.21990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000004760361610461447168

The reciprocal of 421990 in Base 8 Octal.

Palindrome?

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

The number 14701468 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 ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

Four hundred and twenty-one thousand nine hundred and ninety is a composite number with 16 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 ninety has the following 4 prime factors:

2
28
Two in Base 8 Octal
5
58
Five in Base 8 Octal
19
238
Nineteen in Base 8 Octal
2221
42558
Two Thousand Two Hundred and Twenty-One in Base 8 Octal

Prime Factorization

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

281 · 581 · 2381 · 425581 = 14701468

Base Conversions

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