4,120,595

5 × 149 × 5531

Starting at 4,120,595, the Collatz iteration reaches 1 after 211 steps. The first transition is 12361786; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 149 × 5531

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 4,978,800

Proper Divisor Sum 858,205

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #4120583 ← → #4120603

Radix Representation

Decimal	4120595
Binary	1111101110000000010011 (22 bits)
Octal	0o17560023
Hexadecimal	0x3EE013

Divisor Catalog (8)

1 5 149 745 5,531 27,655 824,119 4,120,595

Collatz Trajectory (211 steps to reach 1)

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

4,120,595 12,361,786 6,180,893 18,542,680 9,271,340 4,635,670 2,317,835 6,953,506 3,476,753 10,430,260 5,215,130 2,607,565 7,822,696 3,911,348 1,955,674 977,837 2,933,512 1,466,756 733,378 366,689 1,100,068 550,034 275,017 825,052 412,526 206,263 618,790 309,395 928,186 464,093 1,392,280 696,140 348,070 174,035 522,106 261,053 783,160 391,580 195,790 97,895 293,686 146,843 440,530 220,265 660,796 330,398 165,199 495,598 247,799 743,398 371,699 1,115,098 557,549 1,672,648 836,324 418,162 209,081 627,244 313,622 156,811

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