λ
Match Zalai

1,861,491

3 × 719 × 863
Deficient Odd Composite

1,861,491 factors as 3 × 719 × 863. Its 8 positive divisors give a proper-divisor sum of 626,829, so this integer is deficient. The Collatz stopping time is 171 steps.

Prime Factor Structure

Factorization String 3 × 719 × 863
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,488,320
Proper Divisor Sum 626,829
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #1861471 ← → #1861493

Radix Representation

Decimal 1861491
Binary 111000110011101110011 (21 bits)
Octal 0o7063563
Hexadecimal 0x1C6773

Divisor Catalog (8)

1 3 719 863 2,157 2,589 620,497 1,861,491

Collatz Trajectory (171 steps to reach 1)

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

1,861,491 5,584,474 2,792,237 8,376,712 4,188,356 2,094,178 1,047,089 3,141,268 1,570,634 785,317 2,355,952 1,177,976 588,988 294,494 147,247 441,742 220,871 662,614 331,307 993,922 496,961 1,490,884 745,442 372,721 1,118,164 559,082 279,541 838,624 419,312 209,656 104,828 52,414 26,207 78,622 39,311 117,934 58,967 176,902 88,451 265,354 132,677 398,032 199,016 99,508 49,754 24,877 74,632 37,316 18,658 9,329 27,988 13,994 6,997 20,992 10,496 5,248 2,624 1,312 656 328

More profiles

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