The Number

128142

One Hundred and Twenty-Eight Thousand One Hundred and Forty-Two

In Base 12 Duodecimal Is

621a612

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

128139
621a312
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Nine in Base 12 Duodecimal
128140
621a412
One Hundred and Twenty-Eight Thousand One Hundred and Forty in Base 12 Duodecimal
128141
621a512
One Hundred and Twenty-Eight Thousand One Hundred and Forty-One in Base 12 Duodecimal
128143
621a712
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Three in Base 12 Duodecimal
128144
621a812
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Four in Base 12 Duodecimal
128145
621a912
One Hundred and Twenty-Eight Thousand One Hundred and Forty-Five in Base 12 Duodecimal

Scientific Notation

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

1.28142e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00001b376144741402a712

The reciprocal of 128142 in Base 12 Duodecimal.

Palindrome?

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

The number 621a612 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 one hundred and forty-two is a composite number with 40 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand one hundred and forty-two is a composite number with 40 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 one hundred and forty-two has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
3
312
Three in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
113
9512
One Hundred and Thirteen in Base 12 Duodecimal

Prime Factorization

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

2121 · 3124 · 7121 · 95121 = 621a612

Base Conversions

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