Integer Profile
1,287,128
2^3 × 251 × 641
Prime factors, divisor sums, positional representations and sequence properties for 1,287,128. The prime factorization is 2^3 × 251 × 641.
Number of positive divisors: 16. Showing the recorded part of the sequence: 72.
Resources
Prime factorization
- Factorization
- 2^3 × 251 × 641
- Distinct prime factors
- 3
- Perfect square
- No
- Parity
- Even
Arithmetic properties
- Positive divisors
- 16
- Divisor sum
- 2,426,760
- Proper-divisor sum
- 1,139,632
- Digit sum
- 29
- Digital root
- 2
Number bases
- Decimal
- 1287128
- Binary
- 100111010001111011000 (21 bits)
- Octal
- 0o4721730
- Hexadecimal
- 0x13A3D8
Divisor catalog (16)
12482515026411,0041,2822,0082,5645,128160,891321,782643,5641,287,128
Showing 16 of 16.
Collatz trajectory (72 steps)
Even: n → n/2; Odd: n → 3n + 1
1,287,128643,564321,782160,891482,674241,337724,012362,006181,003543,010271,505814,516407,258203,629610,888305,444152,72276,361229,084114,54257,271171,81485,907257,722128,861386,584193,29296,64648,323144,97072,485217,456108,72854,36427,18213,59140,77420,38761,16230,58191,74445,87222,93611,4685,7342,8678,6024,30112,9046,4523,2261,6134,8402,4201,2106051,816908454227
Showing 60 of 60.
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