2,829,689

19 × 148931

Starting at 2,829,689, the Collatz iteration reaches 1 after 107 steps. The first transition is 8489068; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 148931

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,978,640

Proper Divisor Sum 148,951

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #2829683 ← → #2829691

Radix Representation

Decimal	2829689
Binary	1010110010110101111001 (22 bits)
Octal	0o12626571
Hexadecimal	0x2B2D79

Divisor Catalog (4)

1 19 148,931 2,829,689

Collatz Trajectory (107 steps to reach 1)

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

2,829,689 8,489,068 4,244,534 2,122,267 6,366,802 3,183,401 9,550,204 4,775,102 2,387,551 7,162,654 3,581,327 10,743,982 5,371,991 16,115,974 8,057,987 24,173,962 12,086,981 36,260,944 18,130,472 9,065,236 4,532,618 2,266,309 6,798,928 3,399,464 1,699,732 849,866 424,933 1,274,800 637,400 318,700 159,350 79,675 239,026 119,513 358,540 179,270 89,635 268,906 134,453 403,360 201,680 100,840 50,420 25,210 12,605 37,816 18,908 9,454 4,727 14,182 7,091 21,274 10,637 31,912 15,956 7,978 3,989 11,968 5,984 2,992

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