1,988,758

2 × 47 × 21157

1,988,758 factors as 2 × 47 × 21157. Its 8 positive divisors give a proper-divisor sum of 1,057,994, so this integer is deficient. The Collatz stopping time is 184 steps.

Prime Factor Structure

Factorization String 2 × 47 × 21157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 3,046,752

Proper Divisor Sum 1,057,994

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #1988729 ← → #1988759

Radix Representation

Decimal	1988758
Binary	111100101100010010110 (21 bits)
Octal	0o7454226
Hexadecimal	0x1E5896

Divisor Catalog (8)

1 2 47 94 21,157 42,314 994,379 1,988,758

Collatz Trajectory (184 steps to reach 1)

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

1,988,758 994,379 2,983,138 1,491,569 4,474,708 2,237,354 1,118,677 3,356,032 1,678,016 839,008 419,504 209,752 104,876 52,438 26,219 78,658 39,329 117,988 58,994 29,497 88,492 44,246 22,123 66,370 33,185 99,556 49,778 24,889 74,668 37,334 18,667 56,002 28,001 84,004 42,002 21,001 63,004 31,502 15,751 47,254 23,627 70,882 35,441 106,324 53,162 26,581 79,744 39,872 19,936 9,968 4,984 2,492 1,246 623 1,870 935 2,806 1,403 4,210 2,105

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