3,551,997

3 × 17 × 257 × 271

3,551,997 factors as 3 × 17 × 257 × 271. Its 16 positive divisors give a proper-divisor sum of 1,500,675, so this integer is deficient. The Collatz stopping time is 172 steps.

Prime Factor Structure

Factorization String 3 × 17 × 257 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,052,672

Proper Divisor Sum 1,500,675

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #3551987 ← → #3552001

Radix Representation

Decimal	3551997
Binary	1101100011001011111101 (22 bits)
Octal	0o15431375
Hexadecimal	0x3632FD

Divisor Catalog (16)

1 3 17 51 257 271 771 813 4,369 4,607 13,107 13,821 69,647 208,941 1,183,999 3,551,997

Collatz Trajectory (172 steps to reach 1)

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

3,551,997 10,655,992 5,327,996 2,663,998 1,331,999 3,995,998 1,997,999 5,993,998 2,996,999 8,990,998 4,495,499 13,486,498 6,743,249 20,229,748 10,114,874 5,057,437 15,172,312 7,586,156 3,793,078 1,896,539 5,689,618 2,844,809 8,534,428 4,267,214 2,133,607 6,400,822 3,200,411 9,601,234 4,800,617 14,401,852 7,200,926 3,600,463 10,801,390 5,400,695 16,202,086 8,101,043 24,303,130 12,151,565 36,454,696 18,227,348 9,113,674 4,556,837 13,670,512 6,835,256 3,417,628 1,708,814 854,407 2,563,222 1,281,611 3,844,834 1,922,417 5,767,252 2,883,626 1,441,813 4,325,440 2,162,720 1,081,360 540,680 270,340 135,170

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