1,881,168

2⁴ × 3 × 39191

Starting at 1,881,168, the Collatz iteration reaches 1 after 140 steps. The first transition is 940584; the starting value is even with 20 positive divisors.

Prime Factor Structure

Factorization String 2^4 × 3 × 39191

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 4,859,808

Proper Divisor Sum 2,978,640

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #1881163 ← → #1881181

Radix Representation

Decimal	1881168
Binary	111001011010001010000 (21 bits)
Octal	0o7132120
Hexadecimal	0x1CB450

Divisor Catalog (20)

1 2 3 4 6 8 12 16 24 48 39,191 78,382 117,573 156,764 235,146 313,528 470,292 627,056 940,584 1,881,168

Collatz Trajectory (140 steps to reach 1)

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

1,881,168 940,584 470,292 235,146 117,573 352,720 176,360 88,180 44,090 22,045 66,136 33,068 16,534 8,267 24,802 12,401 37,204 18,602 9,301 27,904 13,952 6,976 3,488 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155 466 233 700 350

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