The Number

2157

Two Thousand One Hundred and Fifty-Seven

In Base 15 Quindecimal Is

98c15

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Two Thousand One Hundred and Fifty-Seven in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2154
98915
Two Thousand One Hundred and Fifty-Four in Base 15 Quindecimal
2155
98a15
Two Thousand One Hundred and Fifty-Five in Base 15 Quindecimal
2156
98b15
Two Thousand One Hundred and Fifty-Six in Base 15 Quindecimal
2158
98d15
Two Thousand One Hundred and Fifty-Eight in Base 15 Quindecimal
2159
98e15
Two Thousand One Hundred and Fifty-Nine in Base 15 Quindecimal
2160
99015
Two Thousand One Hundred and Sixty in Base 15 Quindecimal

Scientific Notation

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

2.157e3

Reciprocal

A number multiplied with its reciprocal is one.

0.001870b8a2aa3510615

The reciprocal of 2157 in Base 15 Quindecimal.

Palindrome?

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

The number 98c15 is not a palindrome.

Not A Prime Number

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

Two thousand one hundred and fifty-seven is a composite number with 4 total factors (including 1 and itself).   See primes in Base 15 Quindecimal

A Composite

Composites have more than just these two factors.

Two thousand one hundred and fifty-seven is a composite number with 4 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 two thousand one hundred and fifty-seven has the following 2 prime factors:

3
315
Three in Base 15 Quindecimal
719
32e15
Seven Hundred and Nineteen in Base 15 Quindecimal

Prime Factorization

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

3151 · 32e151 = 98c15

Base Conversions

The number two thousand one hundred and fifty-seven in 35 different bases