λ
Ratio Atlas

9,987,011

139 × 71849
Deficient Odd Composite

9,987,011 factors as 139 × 71849. Its 4 positive divisors give a proper-divisor sum of 71,989, so this integer is deficient. The Collatz stopping time is 207 steps.

Prime Factor Structure

Factorization String 139 × 71849
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 10,059,000
Proper Divisor Sum 71,989
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #9987001 ← → #9987013

Radix Representation

Decimal 9987011
Binary 100110000110001111000011 (24 bits)
Octal 0o46061703
Hexadecimal 0x9863C3

Divisor Catalog (4)

1 139 71,849 9,987,011

Collatz Trajectory (207 steps to reach 1)

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

9,987,011 29,961,034 14,980,517 44,941,552 22,470,776 11,235,388 5,617,694 2,808,847 8,426,542 4,213,271 12,639,814 6,319,907 18,959,722 9,479,861 28,439,584 14,219,792 7,109,896 3,554,948 1,777,474 888,737 2,666,212 1,333,106 666,553 1,999,660 999,830 499,915 1,499,746 749,873 2,249,620 1,124,810 562,405 1,687,216 843,608 421,804 210,902 105,451 316,354 158,177 474,532 237,266 118,633 355,900 177,950 88,975 266,926 133,463 400,390 200,195 600,586 300,293 900,880 450,440 225,220 112,610 56,305 168,916 84,458 42,229 126,688 63,344

More profiles

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