Integer Profile
1,808,780
2^2 × 5 × 90439
Prime factors, divisor sums, positional representations and sequence properties for 1,808,780. The prime factorization is 2^2 × 5 × 90439.
Number of positive divisors: 12. Showing the recorded part of the sequence: 65.
Prime factorization
- Factorization
- 2^2 × 5 × 90439
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 12
- Divisor sum
- 3,798,480
- Proper-divisor sum
- 1,989,700
- Digit sum
- 32
- Digital root
- 5
Number bases
- Decimal
- 1808780
- Binary
- 110111001100110001100 (21 bits)
- Octal
- 0o6714614
- Hexadecimal
- 0x1B998C
Divisor catalog (12)
1245102090,439180,878361,756452,195904,3901,808,780
Showing 12 of 12.
Collatz trajectory (65 steps)
Even: n → n/2; Odd: n → 3n + 1
1,808,780904,390452,1951,356,586678,2932,034,8801,017,440508,720254,360127,18063,59031,79595,38647,693143,08071,54035,77017,88553,65626,82813,4146,70720,12210,06130,18415,0927,5463,77311,3205,6602,8301,4154,2462,1236,3703,1859,5564,7782,3897,1683,5841,792896448224112562814722113417522613402010
Showing 60 of 60.
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