λ
Sequence Observatory

2,489,029

373 × 6673
Deficient Odd Composite

Starting at 2,489,029, the Collatz iteration reaches 1 after 174 steps. The first transition is 7467088; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 373 × 6673
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 2,496,076
Proper Divisor Sum 7,047
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #2489017 ← → #2489077

Radix Representation

Decimal 2489029
Binary 1001011111101011000101 (22 bits)
Octal 0o11375305
Hexadecimal 0x25FAC5

Divisor Catalog (4)

1 373 6,673 2,489,029

Collatz Trajectory (174 steps to reach 1)

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

2,489,029 7,467,088 3,733,544 1,866,772 933,386 466,693 1,400,080 700,040 350,020 175,010 87,505 262,516 131,258 65,629 196,888 98,444 49,222 24,611 73,834 36,917 110,752 55,376 27,688 13,844 6,922 3,461 10,384 5,192 2,596 1,298 649 1,948 974 487 1,462 731 2,194 1,097 3,292 1,646 823 2,470 1,235 3,706 1,853 5,560 2,780 1,390 695 2,086 1,043 3,130 1,565 4,696 2,348 1,174 587 1,762 881 2,644

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