1,998,013

29 × 68897

1,998,013 factors as 29 × 68897. Its 4 positive divisors give a proper-divisor sum of 68,927, so this integer is deficient. The Collatz stopping time is 140 steps.

Prime Factor Structure

Factorization String 29 × 68897

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,066,940

Proper Divisor Sum 68,927

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1997999 ← → #1998019

Radix Representation

Decimal	1998013
Binary	111100111110010111101 (21 bits)
Octal	0o7476275
Hexadecimal	0x1E7CBD

Divisor Catalog (4)

1 29 68,897 1,998,013

Collatz Trajectory (140 steps to reach 1)

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

1,998,013 5,994,040 2,997,020 1,498,510 749,255 2,247,766 1,123,883 3,371,650 1,685,825 5,057,476 2,528,738 1,264,369 3,793,108 1,896,554 948,277 2,844,832 1,422,416 711,208 355,604 177,802 88,901 266,704 133,352 66,676 33,338 16,669 50,008 25,004 12,502 6,251 18,754 9,377 28,132 14,066 7,033 21,100 10,550 5,275 15,826 7,913 23,740 11,870 5,935 17,806 8,903 26,710 13,355 40,066 20,033 60,100 30,050 15,025 45,076 22,538 11,269 33,808 16,904 8,452 4,226 2,113

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