λ
Sequence Observatory

2,730,659

17 × 160627
Deficient Odd Composite

Starting at 2,730,659, the Collatz iteration reaches 1 after 262 steps. The first transition is 8191978; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 17 × 160627
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,891,304
Proper Divisor Sum 160,645
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #2730649 ← → #2730671

Radix Representation

Decimal 2730659
Binary 1010011010101010100011 (22 bits)
Octal 0o12325243
Hexadecimal 0x29AAA3

Divisor Catalog (4)

1 17 160,627 2,730,659

Collatz Trajectory (262 steps to reach 1)

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

2,730,659 8,191,978 4,095,989 12,287,968 6,143,984 3,071,992 1,535,996 767,998 383,999 1,151,998 575,999 1,727,998 863,999 2,591,998 1,295,999 3,887,998 1,943,999 5,831,998 2,915,999 8,747,998 4,373,999 13,121,998 6,560,999 19,682,998 9,841,499 29,524,498 14,762,249 44,286,748 22,143,374 11,071,687 33,215,062 16,607,531 49,822,594 24,911,297 74,733,892 37,366,946 18,683,473 56,050,420 28,025,210 14,012,605 42,037,816 21,018,908 10,509,454 5,254,727 15,764,182 7,882,091 23,646,274 11,823,137 35,469,412 17,734,706 8,867,353 26,602,060 13,301,030 6,650,515 19,951,546 9,975,773 29,927,320 14,963,660 7,481,830 3,740,915

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