The Number

172390

One Hundred and Seventy-Two Thousand Three Hundred and Ninety

In Base 21 Unovigesimal Is

icj121

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

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

Nearby Numbers

Positive, nonzero integers within three units

172387
icij21
One Hundred and Seventy-Two Thousand Three Hundred and Eighty-Seven in Base 21 Unovigesimal
172388
icik21
One Hundred and Seventy-Two Thousand Three Hundred and Eighty-Eight in Base 21 Unovigesimal
172389
icj021
One Hundred and Seventy-Two Thousand Three Hundred and Eighty-Nine in Base 21 Unovigesimal
172391
icj221
One Hundred and Seventy-Two Thousand Three Hundred and Ninety-One in Base 21 Unovigesimal
172392
icj321
One Hundred and Seventy-Two Thousand Three Hundred and Ninety-Two in Base 21 Unovigesimal
172393
icj421
One Hundred and Seventy-Two Thousand Three Hundred and Ninety-Three in Base 21 Unovigesimal

Scientific Notation

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

1.72390e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00012eafi21jke0721

The reciprocal of 172390 in Base 21 Unovigesimal.

Palindrome?

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

The number icj121 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 seventy-two thousand three hundred and ninety is a composite number with 8 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 seventy-two thousand three hundred and ninety is a composite number with 8 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 seventy-two thousand three hundred and ninety has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
5
521
Five in Base 21 Unovigesimal
17239
1i1j21
Seventeen Thousand Two Hundred and Thirty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2211 · 5211 · 1i1j211 = icj121

Base Conversions

The number one hundred and seventy-two thousand three hundred and ninety in 35 different bases