1,998,091

127 × 15733

1,998,091 factors as 127 × 15733. Its 4 positive divisors give a proper-divisor sum of 15,861, so this integer is deficient. The Collatz stopping time is 91 steps.

Prime Factor Structure

Factorization String 127 × 15733

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,013,952

Proper Divisor Sum 15,861

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1998089 ← → #1998107

Radix Representation

Decimal	1998091
Binary	111100111110100001011 (21 bits)
Octal	0o7476413
Hexadecimal	0x1E7D0B

Divisor Catalog (4)

1 127 15,733 1,998,091

Collatz Trajectory (91 steps to reach 1)

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

1,998,091 5,994,274 2,997,137 8,991,412 4,495,706 2,247,853 6,743,560 3,371,780 1,685,890 842,945 2,528,836 1,264,418 632,209 1,896,628 948,314 474,157 1,422,472 711,236 355,618 177,809 533,428 266,714 133,357 400,072 200,036 100,018 50,009 150,028 75,014 37,507 112,522 56,261 168,784 84,392 42,196 21,098 10,549 31,648 15,824 7,912 3,956 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118 59

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