λ
Sequence Observatory

7,369,690

2 × 5 × 59 × 12491
Deficient Even Composite

Starting at 7,369,690, the Collatz iteration reaches 1 after 67 steps. The first transition is 3684845; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 59 × 12491
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 13,491,360
Proper Divisor Sum 6,121,670
Digit Sum / Digital Root 40 (Root: 4)
Adjacent Primes #7369679 ← → #7369693

Radix Representation

Decimal 7369690
Binary 11100000111001111011010 (23 bits)
Octal 0o34071732
Hexadecimal 0x7073DA

Divisor Catalog (16)

1 2 5 10 59 118 295 590 12,491 24,982 62,455 124,910 736,969 1,473,938 3,684,845 7,369,690

Collatz Trajectory (67 steps to reach 1)

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

7,369,690 3,684,845 11,054,536 5,527,268 2,763,634 1,381,817 4,145,452 2,072,726 1,036,363 3,109,090 1,554,545 4,663,636 2,331,818 1,165,909 3,497,728 1,748,864 874,432 437,216 218,608 109,304 54,652 27,326 13,663 40,990 20,495 61,486 30,743 92,230 46,115 138,346 69,173 207,520 103,760 51,880 25,940 12,970 6,485 19,456 9,728 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40

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