3,739,918

2 × 7 × 13 × 20549

3,739,918 has digital root 4. The neighboring primes are 3739909 and 3739921; its proper-divisor sum differs from the starting integer by -575,036.

Prime Factor Structure

Factorization String 2 × 7 × 13 × 20549

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 6,904,800

Proper Divisor Sum 3,164,882

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #3739909 ← → #3739921

Radix Representation

Decimal	3739918
Binary	1110010001000100001110 (22 bits)
Octal	0o16210416
Hexadecimal	0x39110E

Divisor Catalog (16)

1 2 7 13 14 26 91 182 20,549 41,098 143,843 267,137 287,686 534,274 1,869,959 3,739,918

Collatz Trajectory (172 steps to reach 1)

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

3,739,918 1,869,959 5,609,878 2,804,939 8,414,818 4,207,409 12,622,228 6,311,114 3,155,557 9,466,672 4,733,336 2,366,668 1,183,334 591,667 1,775,002 887,501 2,662,504 1,331,252 665,626 332,813 998,440 499,220 249,610 124,805 374,416 187,208 93,604 46,802 23,401 70,204 35,102 17,551 52,654 26,327 78,982 39,491 118,474 59,237 177,712 88,856 44,428 22,214 11,107 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110

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