λ
Sequence Observatory

7,870,965

3 × 5 × 524731
Deficient Odd Composite

Starting at 7,870,965, the Collatz iteration reaches 1 after 124 steps. The first transition is 23612896; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 5 × 524731
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 12,593,568
Proper Divisor Sum 4,722,603
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #7870957 ← → #7871029

Radix Representation

Decimal 7870965
Binary 11110000001100111110101 (23 bits)
Octal 0o36014765
Hexadecimal 0x7819F5

Divisor Catalog (8)

1 3 5 15 524,731 1,574,193 2,623,655 7,870,965

Collatz Trajectory (124 steps to reach 1)

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

7,870,965 23,612,896 11,806,448 5,903,224 2,951,612 1,475,806 737,903 2,213,710 1,106,855 3,320,566 1,660,283 4,980,850 2,490,425 7,471,276 3,735,638 1,867,819 5,603,458 2,801,729 8,405,188 4,202,594 2,101,297 6,303,892 3,151,946 1,575,973 4,727,920 2,363,960 1,181,980 590,990 295,495 886,486 443,243 1,329,730 664,865 1,994,596 997,298 498,649 1,495,948 747,974 373,987 1,121,962 560,981 1,682,944 841,472 420,736 210,368 105,184 52,592 26,296 13,148 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387

More profiles

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