The Number

642420

Six Hundred and Forty-Two Thousand Four Hundred and Twenty

In Base 11 Undecimal Is

3a972911

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

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

Nearby Numbers

Positive, nonzero integers within three units

642417
3a972611
Six Hundred and Forty-Two Thousand Four Hundred and Seventeen in Base 11 Undecimal
642418
3a972711
Six Hundred and Forty-Two Thousand Four Hundred and Eightteen in Base 11 Undecimal
642419
3a972811
Six Hundred and Forty-Two Thousand Four Hundred and Nineteen in Base 11 Undecimal
642421
3a972a11
Six Hundred and Forty-Two Thousand Four Hundred and Twenty-One in Base 11 Undecimal
642422
3a973011
Six Hundred and Forty-Two Thousand Four Hundred and Twenty-Two in Base 11 Undecimal
642423
3a973111
Six Hundred and Forty-Two Thousand Four Hundred and Twenty-Three in Base 11 Undecimal

Scientific Notation

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

6.42420e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00000283746179693599611

The reciprocal of 642420 in Base 11 Undecimal.

Palindrome?

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

The number 3a972911 is not a palindrome.

Not A Prime Number

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

Six hundred and forty-two thousand four hundred and twenty is a composite number with 72 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Six hundred and forty-two thousand four hundred and twenty is a composite number with 72 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 six hundred and forty-two thousand four hundred and twenty has the following 5 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
5
511
Five in Base 11 Undecimal
43
3a11
Forty-Three in Base 11 Undecimal
83
7611
Eighty-Three in Base 11 Undecimal

Prime Factorization

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

2112 · 3112 · 5111 · 3a111 · 76111 = 3a972911

Base Conversions

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