1,555,172

2² × 388793

For 1,555,172, the 6 positive divisors have a total of 2,721,558. Removing 1,555,172 leaves 1,166,386, which gives the deficient classification.

Prime Factor Structure

Factorization String 2^2 × 388793

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,721,558

Proper Divisor Sum 1,166,386

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1555163 ← → #1555187

Radix Representation

Decimal	1555172
Binary	101111011101011100100 (21 bits)
Octal	0o5735344
Hexadecimal	0x17BAE4

Divisor Catalog (6)

1 2 4 388,793 777,586 1,555,172

Collatz Trajectory (119 steps to reach 1)

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

1,555,172 777,586 388,793 1,166,380 583,190 291,595 874,786 437,393 1,312,180 656,090 328,045 984,136 492,068 246,034 123,017 369,052 184,526 92,263 276,790 138,395 415,186 207,593 622,780 311,390 155,695 467,086 233,543 700,630 350,315 1,050,946 525,473 1,576,420 788,210 394,105 1,182,316 591,158 295,579 886,738 443,369 1,330,108 665,054 332,527 997,582 498,791 1,496,374 748,187 2,244,562 1,122,281 3,366,844 1,683,422 841,711 2,525,134 1,262,567 3,787,702 1,893,851 5,681,554 2,840,777 8,522,332 4,261,166 2,130,583

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