Integer Profile
3,997,780
2^2 × 5 × 199889
Prime factors, divisor sums, positional representations and sequence properties for 3,997,780. The prime factorization is 2^2 × 5 × 199889.
Number of positive divisors: 12. Showing the recorded part of the sequence: 154.
Collatz trajectory (154 steps)
Even: n → n/2; Odd: n → 3n + 1
3,997,7801,998,890999,4452,998,3361,499,168749,584374,792187,39693,69846,849140,54870,27435,137105,41252,70626,35379,06039,53019,76559,29629,64814,8247,4123,7061,8535,5602,7801,3906952,0861,0433,1301,5654,6962,3481,1745871,7628812,6441,3226611,9849924962481246231944714271214107322161484242121
Showing 60 of 60.
Prime factorization
- Factorization
- 2^2 × 5 × 199889
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 12
- Divisor sum
- 8,395,380
- Proper-divisor sum
- 4,397,600
- Digit sum
- 43
- Digital root
- 7
Number bases
- Decimal
- 3997780
- Binary
- 1111010000000001010100 (22 bits)
- Octal
- 0o17200124
- Hexadecimal
- 0x3D0054
Divisor catalog (12)
12451020199,889399,778799,556999,4451,998,8903,997,780
Showing 12 of 12.
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