1,421,707

7 × 83 × 2447

1,421,707 factors as 7 × 83 × 2447. Its 8 positive divisors give a proper-divisor sum of 223,349, so this integer is deficient. The Collatz stopping time is 212 steps.

Prime Factor Structure

Factorization String 7 × 83 × 2447

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,645,056

Proper Divisor Sum 223,349

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1421689 ← → #1421711

Radix Representation

Decimal	1421707
Binary	101011011000110001011 (21 bits)
Octal	0o5330613
Hexadecimal	0x15B18B

Divisor Catalog (8)

1 7 83 581 2,447 17,129 203,101 1,421,707

Collatz Trajectory (212 steps to reach 1)

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

1,421,707 4,265,122 2,132,561 6,397,684 3,198,842 1,599,421 4,798,264 2,399,132 1,199,566 599,783 1,799,350 899,675 2,699,026 1,349,513 4,048,540 2,024,270 1,012,135 3,036,406 1,518,203 4,554,610 2,277,305 6,831,916 3,415,958 1,707,979 5,123,938 2,561,969 7,685,908 3,842,954 1,921,477 5,764,432 2,882,216 1,441,108 720,554 360,277 1,080,832 540,416 270,208 135,104 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022

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