λ
Sequence Observatory

7,853,910

2 × 3 × 5 × 389 × 673
Abundant Even Composite

Starting at 7,853,910, the Collatz iteration reaches 1 after 186 steps. The first transition is 3926955; the starting value is even with 32 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 5 × 389 × 673
Distinct Prime Factors 5
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 18,925,920
Proper Divisor Sum 11,072,010
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #7853887 ← → #7853921

Radix Representation

Decimal 7853910
Binary 11101111101011101010110 (23 bits)
Octal 0o35753526
Hexadecimal 0x77D756

Divisor Catalog (32)

1 2 3 5 6 10 15 30 389 673 778 1,167 1,346 1,945 2,019 2,334 3,365 3,890 4,038 5,835 6,730 10,095 11,670 20,190 261,797 523,594 785,391 1,308,985 1,570,782 2,617,970 3,926,955 7,853,910

Collatz Trajectory (186 steps to reach 1)

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

7,853,910 3,926,955 11,780,866 5,890,433 17,671,300 8,835,650 4,417,825 13,253,476 6,626,738 3,313,369 9,940,108 4,970,054 2,485,027 7,455,082 3,727,541 11,182,624 5,591,312 2,795,656 1,397,828 698,914 349,457 1,048,372 524,186 262,093 786,280 393,140 196,570 98,285 294,856 147,428 73,714 36,857 110,572 55,286 27,643 82,930 41,465 124,396 62,198 31,099 93,298 46,649 139,948 69,974 34,987 104,962 52,481 157,444 78,722 39,361 118,084 59,042 29,521 88,564 44,282 22,141 66,424 33,212 16,606 8,303

More profiles

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