1,379,216

2⁴ × 86201

1,379,216 factors as 2^4 × 86201. Its 10 positive divisors give a proper-divisor sum of 1,293,046, so this integer is deficient. The Collatz stopping time is 155 steps.

Prime Factor Structure

Factorization String 2^4 × 86201

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 10

Divisor Sum (σ) 2,672,262

Proper Divisor Sum 1,293,046

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #1379207 ← → #1379237

Radix Representation

Decimal	1379216
Binary	101010000101110010000 (21 bits)
Octal	0o5205620
Hexadecimal	0x150B90

Divisor Catalog (10)

1 2 4 8 16 86,201 172,402 344,804 689,608 1,379,216

Collatz Trajectory (155 steps to reach 1)

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

1,379,216 689,608 344,804 172,402 86,201 258,604 129,302 64,651 193,954 96,977 290,932 145,466 72,733 218,200 109,100 54,550 27,275 81,826 40,913 122,740 61,370 30,685 92,056 46,028 23,014 11,507 34,522 17,261 51,784 25,892 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460

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