Integer Profile
18,321
3 × 31 × 197
Prime factors, divisor sums, positional representations and sequence properties for 18,321. The prime factorization is 3 × 31 × 197.
Number of positive divisors: 8. Showing the recorded part of the sequence: 154.
Prime factorization
- Factorization
- 3 × 31 × 197
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Odd
Arithmetic properties
- Positive divisors
- 8
- Divisor sum
- 25,344
- Proper-divisor sum
- 7,023
- Digit sum
- 15
- Digital root
- 6
Number bases
- Decimal
- 18321
- Binary
- 100011110010001 (15 bits)
- Octal
- 0o43621
- Hexadecimal
- 0x4791
Divisor catalog (8)
1331931975916,10718,321
Showing 8 of 8.
Collatz trajectory (154 steps)
Even: n → n/2; Odd: n → 3n + 1
18,32154,96427,48213,74141,22420,61210,3065,15315,4607,7303,86511,5965,7982,8998,6984,34913,0486,5243,2621,6314,8942,4477,3423,67111,0145,50716,5228,26124,78412,3926,1963,0981,5494,6482,3241,1625811,74487243621810932816482411246231944714271214107322161484242121
Showing 60 of 60.
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