3,995,971

7 × 570853

Starting at 3,995,971, the Collatz iteration reaches 1 after 167 steps. The first transition is 11987914; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 7 × 570853

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,566,832

Proper Divisor Sum 570,861

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3995941 ← → #3995977

Radix Representation

Decimal	3995971
Binary	1111001111100101000011 (22 bits)
Octal	0o17174503
Hexadecimal	0x3CF943

Divisor Catalog (4)

1 7 570,853 3,995,971

Collatz Trajectory (167 steps to reach 1)

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

3,995,971 11,987,914 5,993,957 17,981,872 8,990,936 4,495,468 2,247,734 1,123,867 3,371,602 1,685,801 5,057,404 2,528,702 1,264,351 3,793,054 1,896,527 5,689,582 2,844,791 8,534,374 4,267,187 12,801,562 6,400,781 19,202,344 9,601,172 4,800,586 2,400,293 7,200,880 3,600,440 1,800,220 900,110 450,055 1,350,166 675,083 2,025,250 1,012,625 3,037,876 1,518,938 759,469 2,278,408 1,139,204 569,602 284,801 854,404 427,202 213,601 640,804 320,402 160,201 480,604 240,302 120,151 360,454 180,227 540,682 270,341 811,024 405,512 202,756 101,378 50,689 152,068

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