8,720,163

3³ × 322969

8,720,163 factors as 3^3 × 322969. Its 8 positive divisors give a proper-divisor sum of 4,198,637, so this integer is deficient. The Collatz stopping time is 106 steps.

Prime Factor Structure

Factorization String 3^3 × 322969

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 12,918,800

Proper Divisor Sum 4,198,637

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #8720161 ← → #8720171

Radix Representation

Decimal	8720163
Binary	100001010000111100100011 (24 bits)
Octal	0o41207443
Hexadecimal	0x850F23

Divisor Catalog (8)

1 3 9 27 322,969 968,907 2,906,721 8,720,163

Collatz Trajectory (106 steps to reach 1)

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

8,720,163 26,160,490 13,080,245 39,240,736 19,620,368 9,810,184 4,905,092 2,452,546 1,226,273 3,678,820 1,839,410 919,705 2,759,116 1,379,558 689,779 2,069,338 1,034,669 3,104,008 1,552,004 776,002 388,001 1,164,004 582,002 291,001 873,004 436,502 218,251 654,754 327,377 982,132 491,066 245,533 736,600 368,300 184,150 92,075 276,226 138,113 414,340 207,170 103,585 310,756 155,378 77,689 233,068 116,534 58,267 174,802 87,401 262,204 131,102 65,551 196,654 98,327 294,982 147,491 442,474 221,237 663,712 331,856

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