Integer Profile
821,328
2^4 × 3 × 71 × 241
Prime factors, divisor sums, positional representations and sequence properties for 821,328. The prime factorization is 2^4 × 3 × 71 × 241.
Number of positive divisors: 40. Collatz steps to reach 1: 56.
Divisor catalog (40)
12346812162448711422132412844264825687238529641,1361,4461,7041,9282,8923,4083,8565,78411,56817,11134,22251,33368,444102,666136,888205,332273,776410,664821,328
Showing 40 of 40.
Collatz trajectory (56 steps)
Even: n → n/2; Odd: n → 3n + 1
821,328410,664205,332102,66651,333154,00077,00038,50019,2509,62528,87614,4387,21921,65810,82932,48816,2448,1224,06112,1846,0923,0461,5234,5702,2856,8563,4281,7148572,5721,2866431,9309652,8961,4487243621815442721366834175226134020105168421
Showing 57 of 57.
Prime factorization
- Factorization
- 2^4 × 3 × 71 × 241
- Distinct prime factors
- 4
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 40
- Divisor sum
- 2,160,576
- Proper-divisor sum
- 1,339,248
- Digit sum
- 24
- Digital root
- 6
Number bases
- Decimal
- 821328
- Binary
- 11001000100001010000 (20 bits)
- Octal
- 0o3104120
- Hexadecimal
- 0xC8850
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