Integer Profile
161,145
3^2 × 5 × 3581
Prime factors, divisor sums, positional representations and sequence properties for 161,145. The prime factorization is 3^2 × 5 × 3581.
Number of positive divisors: 12. Showing the recorded part of the sequence: 126.
Collatz trajectory (126 steps)
Even: n → n/2; Odd: n → 3n + 1
161,145483,436241,718120,859362,578181,289543,868271,934135,967407,902203,951611,854305,927917,782458,8911,376,674688,3372,065,0121,032,506516,2531,548,760774,380387,190193,595580,786290,393871,180435,590217,795653,386326,693980,080490,040245,020122,51061,255183,76691,883275,650137,825413,476206,738103,369310,108155,05477,527232,582116,291348,874174,437523,312261,656130,82865,41432,70798,12249,061147,18473,59236,796
Showing 60 of 60.
Prime factorization
- Factorization
- 3^2 × 5 × 3581
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 12
- Divisor sum
- 279,396
- Proper-divisor sum
- 118,251
- Digit sum
- 18
- Digital root
- 9
Number bases
- Decimal
- 161145
- Binary
- 100111010101111001 (18 bits)
- Octal
- 0o472571
- Hexadecimal
- 0x27579
Divisor catalog (12)
135915453,58110,74317,90532,22953,715161,145
Showing 12 of 12.
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