Integer Profile
221,680
2^4 × 5 × 17 × 163
Prime factors, divisor sums, positional representations and sequence properties for 221,680. The prime factorization is 2^4 × 5 × 17 × 163.
Number of positive divisors: 40. Showing the recorded part of the sequence: 93.
Prime factorization
- Factorization
- 2^4 × 5 × 17 × 163
- Distinct prime factors
- 4
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 40
- Divisor sum
- 549,072
- Proper-divisor sum
- 327,392
- Digit sum
- 19
- Digital root
- 1
Number bases
- Decimal
- 221680
- Binary
- 110110000111110000 (18 bits)
- Octal
- 0o660760
- Hexadecimal
- 0x361F0
Divisor catalog (40)
124581016172034406880851361631702723263406526808151,3041,3601,6302,6082,7713,2605,5426,52011,08413,04013,85522,16827,71044,33655,420110,840221,680
Showing 40 of 40.
Collatz trajectory (93 steps)
Even: n → n/2; Odd: n → 3n + 1
221,680110,84055,42027,71013,85541,56620,78362,35031,17593,52646,763140,29070,145210,436105,21852,609157,82878,91439,457118,37259,18629,59388,78044,39022,19566,58633,29399,88049,94024,97012,48537,45618,7289,3644,6822,3417,0243,5121,7568784391,3186591,9789892,9681,4847423711,1145571,672836418209628314157472236
Showing 60 of 60.
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