2,059,185

3 × 5 × 137279

Starting at 2,059,185, the Collatz iteration reaches 1 after 104 steps. The first transition is 6177556; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 137279

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,294,720

Proper Divisor Sum 1,235,535

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #2059181 ← → #2059207

Radix Representation

Decimal	2059185
Binary	111110110101110110001 (21 bits)
Octal	0o7665661
Hexadecimal	0x1F6BB1

Divisor Catalog (8)

1 3 5 15 137,279 411,837 686,395 2,059,185

Collatz Trajectory (104 steps to reach 1)

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

2,059,185 6,177,556 3,088,778 1,544,389 4,633,168 2,316,584 1,158,292 579,146 289,573 868,720 434,360 217,180 108,590 54,295 162,886 81,443 244,330 122,165 366,496 183,248 91,624 45,812 22,906 11,453 34,360 17,180 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180

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