Integer Profile
21,788
2^2 × 13 × 419
Prime factors, divisor sums, positional representations and sequence properties for 21,788. The prime factorization is 2^2 × 13 × 419.
Number of positive divisors: 12. Showing the recorded part of the sequence: 100.
Collatz trajectory (100 steps)
Even: n → n/2; Odd: n → 3n + 1
21,78810,8945,44716,3428,17124,51412,25736,77218,3869,19327,58013,7906,89520,68610,34331,03015,51546,54623,27369,82034,91017,45552,36626,18378,55039,275117,82658,913176,74088,37044,185132,55666,27833,13999,41849,709149,12874,56437,28218,64155,92427,96213,98141,94420,97210,4865,24315,7307,86523,59611,7985,89917,6988,84926,54813,2746,63719,9129,9564,978
Showing 60 of 60.
Prime factorization
- Factorization
- 2^2 × 13 × 419
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 12
- Divisor sum
- 41,160
- Proper-divisor sum
- 19,372
- Digit sum
- 26
- Digital root
- 8
Number bases
- Decimal
- 21788
- Binary
- 101010100011100 (15 bits)
- Octal
- 0o52434
- Hexadecimal
- 0x551C
Divisor catalog (12)
1241326524198381,6765,44710,89421,788
Showing 12 of 12.
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