1,224,515

5 × 37 × 6619

Starting at 1,224,515, the Collatz iteration reaches 1 after 85 steps. The first transition is 3673546; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 37 × 6619

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,509,360

Proper Divisor Sum 284,845

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1224481 ← → #1224529

Radix Representation

Decimal	1224515
Binary	100101010111101000011 (21 bits)
Octal	0o4527503
Hexadecimal	0x12AF43

Divisor Catalog (8)

1 5 37 185 6,619 33,095 244,903 1,224,515

Collatz Trajectory (85 steps to reach 1)

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

1,224,515 3,673,546 1,836,773 5,510,320 2,755,160 1,377,580 688,790 344,395 1,033,186 516,593 1,549,780 774,890 387,445 1,162,336 581,168 290,584 145,292 72,646 36,323 108,970 54,485 163,456 81,728 40,864 20,432 10,216 5,108 2,554 1,277 3,832 1,916 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732 866 433 1,300

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