8,555,563

23 × 371981

8,555,563 factors as 23 × 371981. Its 4 positive divisors give a proper-divisor sum of 372,005, so this integer is deficient. The Collatz stopping time is 124 steps.

Prime Factor Structure

Factorization String 23 × 371981

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,927,568

Proper Divisor Sum 372,005

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #8555549 ← → #8555579

Radix Representation

Decimal	8555563
Binary	100000101000110000101011 (24 bits)
Octal	0o40506053
Hexadecimal	0x828C2B

Divisor Catalog (4)

1 23 371,981 8,555,563

Collatz Trajectory (124 steps to reach 1)

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

8,555,563 25,666,690 12,833,345 38,500,036 19,250,018 9,625,009 28,875,028 14,437,514 7,218,757 21,656,272 10,828,136 5,414,068 2,707,034 1,353,517 4,060,552 2,030,276 1,015,138 507,569 1,522,708 761,354 380,677 1,142,032 571,016 285,508 142,754 71,377 214,132 107,066 53,533 160,600 80,300 40,150 20,075 60,226 30,113 90,340 45,170 22,585 67,756 33,878 16,939 50,818 25,409 76,228 38,114 19,057 57,172 28,586 14,293 42,880 21,440 10,720 5,360 2,680 1,340 670 335 1,006 503 1,510

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