λ
Sequence Observatory

1,333,961

31 × 37 × 1163
Deficient Odd Composite

Starting at 1,333,961, the Collatz iteration reaches 1 after 93 steps. The first transition is 4001884; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 31 × 37 × 1163
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 1,415,424
Proper Divisor Sum 81,463
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #1333949 ← → #1333963

Radix Representation

Decimal 1333961
Binary 101000101101011001001 (21 bits)
Octal 0o5055311
Hexadecimal 0x145AC9

Divisor Catalog (8)

1 31 37 1,147 1,163 36,053 43,031 1,333,961

Collatz Trajectory (93 steps to reach 1)

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

1,333,961 4,001,884 2,000,942 1,000,471 3,001,414 1,500,707 4,502,122 2,251,061 6,753,184 3,376,592 1,688,296 844,148 422,074 211,037 633,112 316,556 158,278 79,139 237,418 118,709 356,128 178,064 89,032 44,516 22,258 11,129 33,388 16,694 8,347 25,042 12,521 37,564 18,782 9,391 28,174 14,087 42,262 21,131 63,394 31,697 95,092 47,546 23,773 71,320 35,660 17,830 8,915 26,746 13,373 40,120 20,060 10,030 5,015 15,046 7,523 22,570 11,285 33,856 16,928 8,464

More profiles

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