Integer Profile
1,380,821
13 × 106217
Prime factors, divisor sums, positional representations and sequence properties for 1,380,821. The prime factorization is 13 × 106217.
Number of positive divisors: 4. Showing the recorded part of the sequence: 199.
Prime factorization
- Factorization
- 13 × 106217
- Distinct prime factors
- 2
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 4
- Divisor sum
- 1,487,052
- Proper-divisor sum
- 106,231
- Digit sum
- 23
- Digital root
- 5
Number bases
- Decimal
- 1380821
- Binary
- 101010001000111010101 (21 bits)
- Octal
- 0o5210725
- Hexadecimal
- 0x1511D5
Divisor catalog (4)
113106,2171,380,821
Showing 4 of 4.
Collatz trajectory (199 steps)
Even: n → n/2; Odd: n → 3n + 1
1,380,8214,142,4642,071,2321,035,616517,808258,904129,45264,72632,36397,09048,545145,63672,81836,409109,22854,61427,30781,92240,961122,88461,44230,72192,16446,08223,04169,12434,56217,28151,84425,92212,96138,88419,4429,72129,16414,5827,29121,87410,93732,81216,4068,20324,61012,30536,91618,4589,22927,68813,8446,9223,46110,3845,1922,5961,2986491,9489744871,462
Showing 60 of 60.
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