104,729
104,729 is the ten-thousandth prime number.
- Odd
- Prime
Where 104,729 fits
Why 104,729 is special
A landmark chosen by us rather than by mathematics — but a useful one, because it shows how thinly the primes are spread by the time you are ten thousand in. The gap from the thousandth prime, 7,919, to this one is a factor of thirteen for a factor of ten more primes.
104,729 is part of
Factors & digit properties
- Divisors (2)
- 1, 104729
- Prime factorisation
- 104729
- Digit sum
- 23
- Digital root
- 5
Representations
- Decimal
- 104729
- Scientific notation
- 1.047 × 10^5
Roman numerals
Roman numerals as modelled here goes up to 3,999.
Binary
1 1 0 0 1 1 0 0 1 0 0 0 1 1 0 0 1
1 × 65,536 + 1 × 32,768 + 0 × 16,384 + 0 × 8,192 + 1 × 4,096 + 1 × 2,048 + 0 × 1,024 + 0 × 512 + 1 × 256 + 0 × 128 + 0 × 64 + 0 × 32 + 1 × 16 + 1 × 8 + 0 × 4 + 0 × 2 + 1 × 1 = 104,729
Octal
3 1 4 4 3 1
3 × 32,768 + 1 × 4,096 + 4 × 512 + 4 × 64 + 3 × 8 + 1 × 1 = 104,729
Hexadecimal
1 9 9 1 9
1 × 65,536 + 9 × 4,096 + 9 × 256 + 1 × 16 + 9 × 1 = 104,729
Read as powers of two: 65,536 + 32,768 + 4,096 + 2,048 + 256 + 16 + 8 + 1 = 104,729.
In historical numeral systems
Egyptian
1 tadpole, 4 lotuses, 7 coils of rope, 2 hobbles, 9 strokes
1 × 100,000 + 4 × 1,000 + 7 × 100 + 2 × 10 + 9 × 1 = 104,729. The signs are simply repeated and added; where they sit on the line is a matter of layout, not value.
Systems that simply cannot reach this value are left out. Where a script needs a font most readers do not have, the reading is given instead of the glyphs — see number systems for each system in full.
Other mathematical patterns
- Deficient number
- Sophie Germain prime
Common questions
Is 104,729 a prime number?
Yes, 104,729 is prime — it has exactly two positive divisors: 1 and itself.
What are the factors of 104,729?
The factors of 104,729 are 1, 104729.
About this page's data
Mathematical facts:computed directly from the number's value — nothing to source or verify externally.