λ
Sequence Observatory

1,910,624

25 × 59707
Deficient Even Composite

Starting at 1,910,624, the Collatz iteration reaches 1 after 78 steps. The first transition is 955312; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^5 × 59707
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 3,761,604
Proper Divisor Sum 1,850,980
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1910611 ← → #1910651

Radix Representation

Decimal 1910624
Binary 111010010011101100000 (21 bits)
Octal 0o7223540
Hexadecimal 0x1D2760

Divisor Catalog (12)

1 2 4 8 16 32 59,707 119,414 238,828 477,656 955,312 1,910,624

Collatz Trajectory (78 steps to reach 1)

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

1,910,624 955,312 477,656 238,828 119,414 59,707 179,122 89,561 268,684 134,342 67,171 201,514 100,757 302,272 151,136 75,568 37,784 18,892 9,446 4,723 14,170 7,085 21,256 10,628 5,314 2,657 7,972 3,986 1,993 5,980 2,990 1,495 4,486 2,243 6,730 3,365 10,096 5,048 2,524 1,262 631 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800 400 200 100 50 25 76 38 19 58

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