8,999,847

3² × 999983

8,999,847 factors as 3^2 × 999983. Its 6 positive divisors give a proper-divisor sum of 3,999,945, so this integer is deficient. The Collatz stopping time is 163 steps.

Prime Factor Structure

Factorization String 3^2 × 999983

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 12,999,792

Proper Divisor Sum 3,999,945

Digit Sum / Digital Root 54 (Root: 9)

Adjacent Primes #8999839 ← → #8999849

Radix Representation

Decimal	8999847
Binary	100010010101001110100111 (24 bits)
Octal	0o42251647
Hexadecimal	0x8953A7

Divisor Catalog (6)

1 3 9 999,983 2,999,949 8,999,847

Collatz Trajectory (163 steps to reach 1)

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

8,999,847 26,999,542 13,499,771 40,499,314 20,249,657 60,748,972 30,374,486 15,187,243 45,561,730 22,780,865 68,342,596 34,171,298 17,085,649 51,256,948 25,628,474 12,814,237 38,442,712 19,221,356 9,610,678 4,805,339 14,416,018 7,208,009 21,624,028 10,812,014 5,406,007 16,218,022 8,109,011 24,327,034 12,163,517 36,490,552 18,245,276 9,122,638 4,561,319 13,683,958 6,841,979 20,525,938 10,262,969 30,788,908 15,394,454 7,697,227 23,091,682 11,545,841 34,637,524 17,318,762 8,659,381 25,978,144 12,989,072 6,494,536 3,247,268 1,623,634 811,817 2,435,452 1,217,726 608,863 1,826,590 913,295 2,739,886 1,369,943 4,109,830 2,054,915

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