λ
Sequence Observatory

1,295,951

881 × 1471
Deficient Odd Composite

Starting at 1,295,951, the Collatz iteration reaches 1 after 98 steps. The first transition is 3887854; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 881 × 1471
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,298,304
Proper Divisor Sum 2,353
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1295947 ← → #1295953

Radix Representation

Decimal 1295951
Binary 100111100011001001111 (21 bits)
Octal 0o4743117
Hexadecimal 0x13C64F

Divisor Catalog (4)

1 881 1,471 1,295,951

Collatz Trajectory (98 steps to reach 1)

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

1,295,951 3,887,854 1,943,927 5,831,782 2,915,891 8,747,674 4,373,837 13,121,512 6,560,756 3,280,378 1,640,189 4,920,568 2,460,284 1,230,142 615,071 1,845,214 922,607 2,767,822 1,383,911 4,151,734 2,075,867 6,227,602 3,113,801 9,341,404 4,670,702 2,335,351 7,006,054 3,503,027 10,509,082 5,254,541 15,763,624 7,881,812 3,940,906 1,970,453 5,911,360 2,955,680 1,477,840 738,920 369,460 184,730 92,365 277,096 138,548 69,274 34,637 103,912 51,956 25,978 12,989 38,968 19,484 9,742 4,871 14,614 7,307 21,922 10,961 32,884 16,442 8,221

More profiles

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