8,543,125

5⁴ × 13669

Starting at 8,543,125, the Collatz iteration reaches 1 after 98 steps. The first transition is 25629376; the starting value is odd with 10 positive divisors.

Prime Factor Structure

Factorization String 5^4 × 13669

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 10,676,270

Proper Divisor Sum 2,133,145

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #8543113 ← → #8543131

Radix Representation

Decimal	8543125
Binary	100000100101101110010101 (24 bits)
Octal	0o40455625
Hexadecimal	0x825B95

Divisor Catalog (10)

1 5 25 125 625 13,669 68,345 341,725 1,708,625 8,543,125

Collatz Trajectory (98 steps to reach 1)

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

8,543,125 25,629,376 12,814,688 6,407,344 3,203,672 1,601,836 800,918 400,459 1,201,378 600,689 1,802,068 901,034 450,517 1,351,552 675,776 337,888 168,944 84,472 42,236 21,118 10,559 31,678 15,839 47,518 23,759 71,278 35,639 106,918 53,459 160,378 80,189 240,568 120,284 60,142 30,071 90,214 45,107 135,322 67,661 202,984 101,492 50,746 25,373 76,120 38,060 19,030 9,515 28,546 14,273 42,820 21,410 10,705 32,116 16,058 8,029 24,088 12,044 6,022 3,011 9,034

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