1,998,255

3 × 5 × 7 × 19031

1,998,255 factors as 3 × 5 × 7 × 19031. Its 16 positive divisors give a proper-divisor sum of 1,655,889, so this integer is deficient. The Collatz stopping time is 197 steps.

Prime Factor Structure

Factorization String 3 × 5 × 7 × 19031

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,654,144

Proper Divisor Sum 1,655,889

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #1998251 ← → #1998257

Radix Representation

Decimal	1998255
Binary	111100111110110101111 (21 bits)
Octal	0o7476657
Hexadecimal	0x1E7DAF

Divisor Catalog (16)

1 3 5 7 15 21 35 105 19,031 57,093 95,155 133,217 285,465 399,651 666,085 1,998,255

Collatz Trajectory (197 steps to reach 1)

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

1,998,255 5,994,766 2,997,383 8,992,150 4,496,075 13,488,226 6,744,113 20,232,340 10,116,170 5,058,085 15,174,256 7,587,128 3,793,564 1,896,782 948,391 2,845,174 1,422,587 4,267,762 2,133,881 6,401,644 3,200,822 1,600,411 4,801,234 2,400,617 7,201,852 3,600,926 1,800,463 5,401,390 2,700,695 8,102,086 4,051,043 12,153,130 6,076,565 18,229,696 9,114,848 4,557,424 2,278,712 1,139,356 569,678 284,839 854,518 427,259 1,281,778 640,889 1,922,668 961,334 480,667 1,442,002 721,001 2,163,004 1,081,502 540,751 1,622,254 811,127 2,433,382 1,216,691 3,650,074 1,825,037 5,475,112 2,737,556

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