Integer Profile
87,105
3 × 5 × 5807
Prime factors, divisor sums, positional representations and sequence properties for 87,105. The prime factorization is 3 × 5 × 5807.
Number of positive divisors: 8. Showing the recorded part of the sequence: 120.
Collatz trajectory (120 steps)
Even: n → n/2; Odd: n → 3n + 1
87,105261,316130,65865,329195,98897,99448,997146,99273,49636,74818,3749,18727,56213,78141,34420,67210,3365,1682,5841,2926463239704851,456728364182912741374122061033101554662337003501755262637903951,1865931,7808904451,3366683341675022517543771,132566
Showing 60 of 60.
Prime factorization
- Factorization
- 3 × 5 × 5807
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 8
- Divisor sum
- 139,392
- Proper-divisor sum
- 52,287
- Digit sum
- 21
- Digital root
- 3
Number bases
- Decimal
- 87105
- Binary
- 10101010001000001 (17 bits)
- Octal
- 0o252101
- Hexadecimal
- 0x15441
Divisor catalog (8)
135155,80717,42129,03587,105
Showing 8 of 8.
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