The Number

1649

One Thousand Six Hundred and Forty-Nine

In Base 11 Undecimal Is

126a11

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See One Thousand Six Hundred and Forty-Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1646
126711
One Thousand Six Hundred and Forty-Six in Base 11 Undecimal
1647
126811
One Thousand Six Hundred and Forty-Seven in Base 11 Undecimal
1648
126911
One Thousand Six Hundred and Forty-Eight in Base 11 Undecimal
1650
127011
One Thousand Six Hundred and Fifty in Base 11 Undecimal
1651
127111
One Thousand Six Hundred and Fifty-One in Base 11 Undecimal
1652
127211
One Thousand Six Hundred and Fifty-Two in Base 11 Undecimal

Scientific Notation

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

1.649e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00089736291263620311

The reciprocal of 1649 in Base 11 Undecimal.

Palindrome?

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

The number 126a11 is not a palindrome.

Not A Prime Number

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

One thousand six hundred and forty-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

One thousand six hundred and forty-nine 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 one thousand six hundred and forty-nine has the following 2 prime factors:

17
1611
Seventeen in Base 11 Undecimal
97
8911
Ninety-Seven in Base 11 Undecimal

Prime Factorization

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

16111 · 89111 = 126a11

Base Conversions

The number one thousand six hundred and forty-nine in 35 different bases