1,048,519

367 × 2857

Starting at 1,048,519, the Collatz iteration reaches 1 after 72 steps. The first transition is 3145558; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 367 × 2857

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,051,744

Proper Divisor Sum 3,225

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1048517 ← → #1048549

Radix Representation

Decimal	1048519
Binary	11111111111111000111 (20 bits)
Octal	0o3777707
Hexadecimal	0xFFFC7

Divisor Catalog (4)

1 367 2,857 1,048,519

Collatz Trajectory (72 steps to reach 1)

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

1,048,519 3,145,558 1,572,779 4,718,338 2,359,169 7,077,508 3,538,754 1,769,377 5,308,132 2,654,066 1,327,033 3,981,100 1,990,550 995,275 2,985,826 1,492,913 4,478,740 2,239,370 1,119,685 3,359,056 1,679,528 839,764 419,882 209,941 629,824 314,912 157,456 78,728 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34

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