Nearby Numbers

Positive, nonzero integers within three units

172158

11a7i20

One Hundred and Seventy-Two Thousand One Hundred and Fifty-Eight in Base 20 Vigesimal

172159

11a7j20

One Hundred and Seventy-Two Thousand One Hundred and Fifty-Nine in Base 20 Vigesimal

172160

11a8020

One Hundred and Seventy-Two Thousand One Hundred and Sixty in Base 20 Vigesimal

172162

11a8220

One Hundred and Seventy-Two Thousand One Hundred and Sixty-Two in Base 20 Vigesimal

172163

11a8320

One Hundred and Seventy-Two Thousand One Hundred and Sixty-Three in Base 20 Vigesimal

172164

11a8420

One Hundred and Seventy-Two Thousand One Hundred and Sixty-Four in Base 20 Vigesimal

Scientific Notation

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

1.72161e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ibei088630bb920

The reciprocal of 172161 in Base 20 Vigesimal.

Palindrome?

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

The number 11a8120 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 one hundred and sixty-one is a composite number with 24 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One hundred and seventy-two thousand one hundred and sixty-one is a composite number with 24 total factors (including 1 and itself).

Prime Factors

3

320

Three in Base 20 Vigesimal

11

b20

Eleven in Base 20 Vigesimal

37

1h20

Thirty-Seven in Base 20 Vigesimal

47

2720

Forty-Seven in Base 20 Vigesimal

Prime Factorization

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

3202 · b201 · 1h201 · 27201 = 11a8120

Base Conversions

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