2,189,013

3 × 729671

2,189,013 factors as 3 × 729671. Its 4 positive divisors give a proper-divisor sum of 729,675, so this integer is deficient. The Collatz stopping time is 179 steps.

Prime Factor Structure

Factorization String 3 × 729671

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,918,688

Proper Divisor Sum 729,675

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2188993 ← → #2189017

Radix Representation

Decimal	2189013
Binary	1000010110011011010101 (22 bits)
Octal	0o10263325
Hexadecimal	0x2166D5

Divisor Catalog (4)

1 3 729,671 2,189,013

Collatz Trajectory (179 steps to reach 1)

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

2,189,013 6,567,040 3,283,520 1,641,760 820,880 410,440 205,220 102,610 51,305 153,916 76,958 38,479 115,438 57,719 173,158 86,579 259,738 129,869 389,608 194,804 97,402 48,701 146,104 73,052 36,526 18,263 54,790 27,395 82,186 41,093 123,280 61,640 30,820 15,410 7,705 23,116 11,558 5,779 17,338 8,669 26,008 13,004 6,502 3,251 9,754 4,877 14,632 7,316 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773 2,320

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