λ
Sequence Observatory

9,015,141

3 × 312 × 53 × 59
Deficient Odd Composite

Starting at 9,015,141, the Collatz iteration reaches 1 after 88 steps. The first transition is 27045424; the starting value is odd with 24 positive divisors.

Prime Factor Structure

Factorization String 3 × 31^2 × 53 × 59
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 12,869,280
Proper Divisor Sum 3,854,139
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #9015137 ← → #9015169

Radix Representation

Decimal 9015141
Binary 100010011000111101100101 (24 bits)
Octal 0o42307545
Hexadecimal 0x898F65

Divisor Catalog (24)

1 3 31 53 59 93 159 177 961 1,643 1,829 2,883 3,127 4,929 5,487 9,381 50,933 56,699 96,937 152,799 170,097 290,811 3,005,047 9,015,141

Collatz Trajectory (88 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

9,015,141 27,045,424 13,522,712 6,761,356 3,380,678 1,690,339 5,071,018 2,535,509 7,606,528 3,803,264 1,901,632 950,816 475,408 237,704 118,852 59,426 29,713 89,140 44,570 22,285 66,856 33,428 16,714 8,357 25,072 12,536 6,268 3,134 1,567 4,702 2,351 7,054 3,527 10,582 5,291 15,874 7,937 23,812 11,906 5,953 17,860 8,930 4,465 13,396 6,698 3,349 10,048 5,024 2,512 1,256 628 314 157 472 236 118 59 178 89 268

More profiles

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