The Number

142472

One Hundred and Forty-Two Thousand Four Hundred and Seventy-Two

In Base 21 Unovigesimal Is

f81821

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

142469
f81521
One Hundred and Forty-Two Thousand Four Hundred and Sixty-Nine in Base 21 Unovigesimal
142470
f81621
One Hundred and Forty-Two Thousand Four Hundred and Seventy in Base 21 Unovigesimal
142471
f81721
One Hundred and Forty-Two Thousand Four Hundred and Seventy-One in Base 21 Unovigesimal
142473
f81921
One Hundred and Forty-Two Thousand Four Hundred and Seventy-Three in Base 21 Unovigesimal
142474
f81a21
One Hundred and Forty-Two Thousand Four Hundred and Seventy-Four in Base 21 Unovigesimal
142475
f81b21
One Hundred and Forty-Two Thousand Four Hundred and Seventy-Five in Base 21 Unovigesimal

Scientific Notation

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

1.42472e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00017dkefaaef4gd21

The reciprocal of 142472 in Base 21 Unovigesimal.

Palindrome?

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

The number f81821 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 forty-two thousand four hundred and seventy-two is a composite number with 16 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and forty-two thousand four hundred and seventy-two 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 one hundred and forty-two thousand four hundred and seventy-two has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
1619
3e221
One Thousand Six Hundred and Nineteen in Base 21 Unovigesimal

Prime Factorization

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

2213 · b211 · 3e2211 = f81821

Base Conversions

The number one hundred and forty-two thousand four hundred and seventy-two in 35 different bases