1,571,844

2² × 3 × 130987

Starting at 1,571,844, the Collatz iteration reaches 1 after 132 steps. The first transition is 785922; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 130987

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,667,664

Proper Divisor Sum 2,095,820

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1571839 ← → #1571849

Radix Representation

Decimal	1571844
Binary	101111111110000000100 (21 bits)
Octal	0o5776004
Hexadecimal	0x17FC04

Divisor Catalog (12)

1 2 3 4 6 12 130,987 261,974 392,961 523,948 785,922 1,571,844

Collatz Trajectory (132 steps to reach 1)

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

1,571,844 785,922 392,961 1,178,884 589,442 294,721 884,164 442,082 221,041 663,124 331,562 165,781 497,344 248,672 124,336 62,168 31,084 15,542 7,771 23,314 11,657 34,972 17,486 8,743 26,230 13,115 39,346 19,673 59,020 29,510 14,755 44,266 22,133 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663

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