9,998,487

3² × 1110943

Starting at 9,998,487, the Collatz iteration reaches 1 after 57 steps. The first transition is 29995462; the starting value is odd with 6 positive divisors.

Prime Factor Structure

Factorization String 3^2 × 1110943

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 14,442,272

Proper Divisor Sum 4,443,785

Digit Sum / Digital Root 54 (Root: 9)

Adjacent Primes #9998479 ← → #9998539

Radix Representation

Decimal	9998487
Binary	100110001001000010010111 (24 bits)
Octal	0o46110227
Hexadecimal	0x989097

Divisor Catalog (6)

1 3 9 1,110,943 3,332,829 9,998,487

Collatz Trajectory (57 steps to reach 1)

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

9,998,487 29,995,462 14,997,731 44,993,194 22,496,597 67,489,792 33,744,896 16,872,448 8,436,224 4,218,112 2,109,056 1,054,528 527,264 263,632 131,816 65,908 32,954 16,477 49,432 24,716 12,358 6,179 18,538 9,269 27,808 13,904 6,952 3,476 1,738 869 2,608 1,304 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53 160 80 40 20 10 5 16 8 4 2 1

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