λ
Sequence Observatory

1,497,704

23 × 13 × 14401
Abundant Even Composite

Starting at 1,497,704, the Collatz iteration reaches 1 after 150 steps. The first transition is 748852; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2^3 × 13 × 14401
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 3,024,420
Proper Divisor Sum 1,526,716
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1497701 ← → #1497707

Radix Representation

Decimal 1497704
Binary 101101101101001101000 (21 bits)
Octal 0o5555150
Hexadecimal 0x16DA68

Divisor Catalog (16)

1 2 4 8 13 26 52 104 14,401 28,802 57,604 115,208 187,213 374,426 748,852 1,497,704

Collatz Trajectory (150 steps to reach 1)

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

1,497,704 748,852 374,426 187,213 561,640 280,820 140,410 70,205 210,616 105,308 52,654 26,327 78,982 39,491 118,474 59,237 177,712 88,856 44,428 22,214 11,107 33,322 16,661 49,984 24,992 12,496 6,248 3,124 1,562 781 2,344 1,172 586 293 880 440 220 110 55 166 83 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364 182 91 274

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