Integer Profile
21,404
2^2 × 5351
Prime factors, divisor sums, positional representations and sequence properties for 21,404. The prime factorization is 2^2 × 5351.
Number of positive divisors: 6. Showing the recorded part of the sequence: 193.
Collatz trajectory (193 steps)
Even: n → n/2; Odd: n → 3n + 1
21,40410,7025,35116,0548,02724,08212,04136,12418,0629,03127,09413,54740,64220,32160,96430,48215,24145,72422,86211,43134,29417,14751,44225,72177,16438,58219,29157,87428,93786,81243,40621,70365,11032,55597,66648,833146,50073,25036,625109,87654,93827,46982,40841,20420,60210,30130,90415,4527,7263,86311,5905,79517,3868,69326,08013,0406,5203,2601,630815
Showing 60 of 60.
Prime factorization
- Factorization
- 2^2 × 5351
- Distinct prime factors
- 2
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 6
- Divisor sum
- 37,464
- Proper-divisor sum
- 16,060
- Digit sum
- 11
- Digital root
- 2
Number bases
- Decimal
- 21404
- Binary
- 101001110011100 (15 bits)
- Octal
- 0o51634
- Hexadecimal
- 0x539C
Divisor catalog (6)
1245,35110,70221,404
Showing 6 of 6.
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