8,643,421

29 × 298049

8,643,421 factors as 29 × 298049. Its 4 positive divisors give a proper-divisor sum of 298,079, so this integer is deficient. The Collatz stopping time is 93 steps.

Prime Factor Structure

Factorization String 29 × 298049

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,941,500

Proper Divisor Sum 298,079

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8643409 ← → #8643433

Radix Representation

Decimal	8643421
Binary	100000111110001101011101 (24 bits)
Octal	0o40761535
Hexadecimal	0x83E35D

Divisor Catalog (4)

1 29 298,049 8,643,421

Collatz Trajectory (93 steps to reach 1)

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

8,643,421 25,930,264 12,965,132 6,482,566 3,241,283 9,723,850 4,861,925 14,585,776 7,292,888 3,646,444 1,823,222 911,611 2,734,834 1,367,417 4,102,252 2,051,126 1,025,563 3,076,690 1,538,345 4,615,036 2,307,518 1,153,759 3,461,278 1,730,639 5,191,918 2,595,959 7,787,878 3,893,939 11,681,818 5,840,909 17,522,728 8,761,364 4,380,682 2,190,341 6,571,024 3,285,512 1,642,756 821,378 410,689 1,232,068 616,034 308,017 924,052 462,026 231,013 693,040 346,520 173,260 86,630 43,315 129,946 64,973 194,920 97,460 48,730 24,365 73,096 36,548 18,274 9,137

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