9,950,420

2² × 5 × 497521

Starting at 9,950,420, the Collatz iteration reaches 1 after 163 steps. The first transition is 4975210; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 497521

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 20,895,924

Proper Divisor Sum 10,945,504

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #9950407 ← → #9950429

Radix Representation

Decimal	9950420
Binary	100101111101010011010100 (24 bits)
Octal	0o45752324
Hexadecimal	0x97D4D4

Divisor Catalog (12)

1 2 4 5 10 20 497,521 995,042 1,990,084 2,487,605 4,975,210 9,950,420

Collatz Trajectory (163 steps to reach 1)

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

9,950,420 4,975,210 2,487,605 7,462,816 3,731,408 1,865,704 932,852 466,426 233,213 699,640 349,820 174,910 87,455 262,366 131,183 393,550 196,775 590,326 295,163 885,490 442,745 1,328,236 664,118 332,059 996,178 498,089 1,494,268 747,134 373,567 1,120,702 560,351 1,681,054 840,527 2,521,582 1,260,791 3,782,374 1,891,187 5,673,562 2,836,781 8,510,344 4,255,172 2,127,586 1,063,793 3,191,380 1,595,690 797,845 2,393,536 1,196,768 598,384 299,192 149,596 74,798 37,399 112,198 56,099 168,298 84,149 252,448 126,224 63,112

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