1,466,185

5 × 7 × 163 × 257

Starting at 1,466,185, the Collatz iteration reaches 1 after 181 steps. The first transition is 4398556; the starting value is odd with 16 positive divisors.

Prime Factor Structure

Factorization String 5 × 7 × 163 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,030,976

Proper Divisor Sum 564,791

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1466183 ← → #1466191

Radix Representation

Decimal	1466185
Binary	101100101111101001001 (21 bits)
Octal	0o5457511
Hexadecimal	0x165F49

Divisor Catalog (16)

1 5 7 35 163 257 815 1,141 1,285 1,799 5,705 8,995 41,891 209,455 293,237 1,466,185

Collatz Trajectory (181 steps to reach 1)

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

1,466,185 4,398,556 2,199,278 1,099,639 3,298,918 1,649,459 4,948,378 2,474,189 7,422,568 3,711,284 1,855,642 927,821 2,783,464 1,391,732 695,866 347,933 1,043,800 521,900 260,950 130,475 391,426 195,713 587,140 293,570 146,785 440,356 220,178 110,089 330,268 165,134 82,567 247,702 123,851 371,554 185,777 557,332 278,666 139,333 418,000 209,000 104,500 52,250 26,125 78,376 39,188 19,594 9,797 29,392 14,696 7,348 3,674 1,837 5,512 2,756 1,378 689 2,068 1,034 517 1,552

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