8,421,492

2² × 3 × 701791

Starting at 8,421,492, the Collatz iteration reaches 1 after 199 steps. The first transition is 4210746; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 701791

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 19,650,176

Proper Divisor Sum 11,228,684

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #8421487 ← → #8421493

Radix Representation

Decimal	8421492
Binary	100000001000000001110100 (24 bits)
Octal	0o40100164
Hexadecimal	0x808074

Divisor Catalog (12)

1 2 3 4 6 12 701,791 1,403,582 2,105,373 2,807,164 4,210,746 8,421,492

Collatz Trajectory (199 steps to reach 1)

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

8,421,492 4,210,746 2,105,373 6,316,120 3,158,060 1,579,030 789,515 2,368,546 1,184,273 3,552,820 1,776,410 888,205 2,664,616 1,332,308 666,154 333,077 999,232 499,616 249,808 124,904 62,452 31,226 15,613 46,840 23,420 11,710 5,855 17,566 8,783 26,350 13,175 39,526 19,763 59,290 29,645 88,936 44,468 22,234 11,117 33,352 16,676 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909

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