The Number

128420

One Hundred and Twenty-Eight Thousand Four Hundred and Twenty

In Base 31 Untrigesimal Is

49ji31

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

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

Nearby Numbers

Positive, nonzero integers within three units

128417
49jf31
One Hundred and Twenty-Eight Thousand Four Hundred and Seventeen in Base 31 Untrigesimal
128418
49jg31
One Hundred and Twenty-Eight Thousand Four Hundred and Eightteen in Base 31 Untrigesimal
128419
49jh31
One Hundred and Twenty-Eight Thousand Four Hundred and Nineteen in Base 31 Untrigesimal
128421
49jj31
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-One in Base 31 Untrigesimal
128422
49jk31
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Two in Base 31 Untrigesimal
128423
49jl31
One Hundred and Twenty-Eight Thousand Four Hundred and Twenty-Three in Base 31 Untrigesimal

Scientific Notation

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

1.28420e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00075sta28ont531

The reciprocal of 128420 in Base 31 Untrigesimal.

Palindrome?

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

The number 49ji31 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-eight thousand four hundred and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand four hundred and twenty is a composite number with 12 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 one hundred and twenty-eight thousand four hundred and twenty has the following 3 prime factors:

2
231
Two in Base 31 Untrigesimal
5
531
Five in Base 31 Untrigesimal
6421
6l431
Six Thousand Four Hundred and Twenty-One in Base 31 Untrigesimal

Prime Factorization

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

2312 · 5311 · 6l4311 = 49ji31

Base Conversions

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