1,277,656

2³ × 159707

1,277,656 factors as 2^3 × 159707. Its 8 positive divisors give a proper-divisor sum of 1,117,964, so this integer is deficient. The Collatz stopping time is 80 steps.

Prime Factor Structure

Factorization String 2^3 × 159707

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,395,620

Proper Divisor Sum 1,117,964

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #1277651 ← → #1277657

Radix Representation

Decimal	1277656
Binary	100110111111011011000 (21 bits)
Octal	0o4677330
Hexadecimal	0x137ED8

Divisor Catalog (8)

1 2 4 8 159,707 319,414 638,828 1,277,656

Collatz Trajectory (80 steps to reach 1)

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

1,277,656 638,828 319,414 159,707 479,122 239,561 718,684 359,342 179,671 539,014 269,507 808,522 404,261 1,212,784 606,392 303,196 151,598 75,799 227,398 113,699 341,098 170,549 511,648 255,824 127,912 63,956 31,978 15,989 47,968 23,984 11,992 5,996 2,998 1,499 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38

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