Integer Profile
128,512
2^9 × 251
Prime factors, divisor sums, positional representations and sequence properties for 128,512. The prime factorization is 2^9 × 251.
Number of positive divisors: 20. Showing the recorded part of the sequence: 74.
Prime factorization
- Factorization
- 2^9 × 251
- Distinct prime factors
- 2
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 20
- Divisor sum
- 257,796
- Proper-divisor sum
- 129,284
- Digit sum
- 19
- Digital root
- 1
Number bases
- Decimal
- 128512
- Binary
- 11111011000000000 (17 bits)
- Octal
- 0o373000
- Hexadecimal
- 0x1F600
Divisor catalog (20)
12481632641282512565025121,0042,0084,0168,03216,06432,12864,256128,512
Showing 20 of 20.
Collatz trajectory (74 steps)
Even: n → n/2; Odd: n → 3n + 1
128,51264,25632,12816,0648,0324,0162,0081,0045022517543771,1325662838504251,2766383199584791,4387192,1581,0793,2381,6194,8582,4297,2883,6441,8229112,7341,3674,1022,0516,1543,0779,2324,6162,3081,1545771,7328664331,30065032597648824412261184924623
Showing 60 of 60.
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