λ
Sequence Observatory

1,339,935

3 × 5 × 89329
Deficient Odd Composite

Starting at 1,339,935, the Collatz iteration reaches 1 after 186 steps. The first transition is 4019806; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 89329
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,143,920
Proper Divisor Sum 803,985
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #1339931 ← → #1339951

Radix Representation

Decimal 1339935
Binary 101000111001000011111 (21 bits)
Octal 0o5071037
Hexadecimal 0x14721F

Divisor Catalog (8)

1 3 5 15 89,329 267,987 446,645 1,339,935

Collatz Trajectory (186 steps to reach 1)

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

1,339,935 4,019,806 2,009,903 6,029,710 3,014,855 9,044,566 4,522,283 13,566,850 6,783,425 20,350,276 10,175,138 5,087,569 15,262,708 7,631,354 3,815,677 11,447,032 5,723,516 2,861,758 1,430,879 4,292,638 2,146,319 6,438,958 3,219,479 9,658,438 4,829,219 14,487,658 7,243,829 21,731,488 10,865,744 5,432,872 2,716,436 1,358,218 679,109 2,037,328 1,018,664 509,332 254,666 127,333 382,000 191,000 95,500 47,750 23,875 71,626 35,813 107,440 53,720 26,860 13,430 6,715 20,146 10,073 30,220 15,110 7,555 22,666 11,333 34,000 17,000 8,500

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