3,936,970

2 × 5 × 393697

Starting at 3,936,970, the Collatz iteration reaches 1 after 146 steps. The first transition is 1968485; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 393697

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 7,086,564

Proper Divisor Sum 3,149,594

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3936967 ← → #3936973

Radix Representation

Decimal	3936970
Binary	1111000001001011001010 (22 bits)
Octal	0o17011312
Hexadecimal	0x3C12CA

Divisor Catalog (8)

1 2 5 10 393,697 787,394 1,968,485 3,936,970

Collatz Trajectory (146 steps to reach 1)

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

3,936,970 1,968,485 5,905,456 2,952,728 1,476,364 738,182 369,091 1,107,274 553,637 1,660,912 830,456 415,228 207,614 103,807 311,422 155,711 467,134 233,567 700,702 350,351 1,051,054 525,527 1,576,582 788,291 2,364,874 1,182,437 3,547,312 1,773,656 886,828 443,414 221,707 665,122 332,561 997,684 498,842 249,421 748,264 374,132 187,066 93,533 280,600 140,300 70,150 35,075 105,226 52,613 157,840 78,920 39,460 19,730 9,865 29,596 14,798 7,399 22,198 11,099 33,298 16,649 49,948 24,974

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