1,372,772

2² × 343193

Starting at 1,372,772, the Collatz iteration reaches 1 after 106 steps. The first transition is 686386; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 343193

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,402,358

Proper Divisor Sum 1,029,586

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1372771 ← → #1372799

Radix Representation

Decimal	1372772
Binary	101001111001001100100 (21 bits)
Octal	0o5171144
Hexadecimal	0x14F264

Divisor Catalog (6)

1 2 4 343,193 686,386 1,372,772

Collatz Trajectory (106 steps to reach 1)

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

1,372,772 686,386 343,193 1,029,580 514,790 257,395 772,186 386,093 1,158,280 579,140 289,570 144,785 434,356 217,178 108,589 325,768 162,884 81,442 40,721 122,164 61,082 30,541 91,624 45,812 22,906 11,453 34,360 17,180 8,590 4,295 12,886 6,443 19,330 9,665 28,996 14,498 7,249 21,748 10,874 5,437 16,312 8,156 4,078 2,039 6,118 3,059 9,178 4,589 13,768 6,884 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453

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