1,398,733

7 × 199819

1,398,733 factors as 7 × 199819. Its 4 positive divisors give a proper-divisor sum of 199,827, so this integer is deficient. The Collatz stopping time is 106 steps.

Prime Factor Structure

Factorization String 7 × 199819

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,598,560

Proper Divisor Sum 199,827

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1398731 ← → #1398737

Radix Representation

Decimal	1398733
Binary	101010101011111001101 (21 bits)
Octal	0o5253715
Hexadecimal	0x1557CD

Divisor Catalog (4)

1 7 199,819 1,398,733

Collatz Trajectory (106 steps to reach 1)

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

1,398,733 4,196,200 2,098,100 1,049,050 524,525 1,573,576 786,788 393,394 196,697 590,092 295,046 147,523 442,570 221,285 663,856 331,928 165,964 82,982 41,491 124,474 62,237 186,712 93,356 46,678 23,339 70,018 35,009 105,028 52,514 26,257 78,772 39,386 19,693 59,080 29,540 14,770 7,385 22,156 11,078 5,539 16,618 8,309 24,928 12,464 6,232 3,116 1,558 779 2,338 1,169 3,508 1,754 877 2,632 1,316 658 329 988 494 247

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