4,034,860

2² × 5 × 201743

Starting at 4,034,860, the Collatz iteration reaches 1 after 185 steps. The first transition is 2017430; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 201743

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 8,473,248

Proper Divisor Sum 4,438,388

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #4034827 ← → #4034869

Radix Representation

Decimal	4034860
Binary	1111011001000100101100 (22 bits)
Octal	0o17310454
Hexadecimal	0x3D912C

Divisor Catalog (12)

1 2 4 5 10 20 201,743 403,486 806,972 1,008,715 2,017,430 4,034,860

Collatz Trajectory (185 steps to reach 1)

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

4,034,860 2,017,430 1,008,715 3,026,146 1,513,073 4,539,220 2,269,610 1,134,805 3,404,416 1,702,208 851,104 425,552 212,776 106,388 53,194 26,597 79,792 39,896 19,948 9,974 4,987 14,962 7,481 22,444 11,222 5,611 16,834 8,417 25,252 12,626 6,313 18,940 9,470 4,735 14,206 7,103 21,310 10,655 31,966 15,983 47,950 23,975 71,926 35,963 107,890 53,945 161,836 80,918 40,459 121,378 60,689 182,068 91,034 45,517 136,552 68,276 34,138 17,069 51,208 25,604

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