λ
Sequence Observatory

1,332,497

47 × 28351
Deficient Odd Composite

Starting at 1,332,497, the Collatz iteration reaches 1 after 186 steps. The first transition is 3997492; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 47 × 28351
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,360,896
Proper Divisor Sum 28,399
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1332491 ← → #1332503

Radix Representation

Decimal 1332497
Binary 101000101010100010001 (21 bits)
Octal 0o5052421
Hexadecimal 0x145511

Divisor Catalog (4)

1 47 28,351 1,332,497

Collatz Trajectory (186 steps to reach 1)

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

1,332,497 3,997,492 1,998,746 999,373 2,998,120 1,499,060 749,530 374,765 1,124,296 562,148 281,074 140,537 421,612 210,806 105,403 316,210 158,105 474,316 237,158 118,579 355,738 177,869 533,608 266,804 133,402 66,701 200,104 100,052 50,026 25,013 75,040 37,520 18,760 9,380 4,690 2,345 7,036 3,518 1,759 5,278 2,639 7,918 3,959 11,878 5,939 17,818 8,909 26,728 13,364 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235

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