6,984,140

2² × 5 × 349207

Starting at 6,984,140, the Collatz iteration reaches 1 after 85 steps. The first transition is 3492070; the starting value is even with 12 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 5 × 349207

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 14,666,736

Proper Divisor Sum 7,682,596

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #6984139 ← → #6984143

Radix Representation

Decimal	6984140
Binary	11010101001000111001100 (23 bits)
Octal	0o32510714
Hexadecimal	0x6A91CC

Divisor Catalog (12)

1 2 4 5 10 20 349,207 698,414 1,396,828 1,746,035 3,492,070 6,984,140

Collatz Trajectory (85 steps to reach 1)

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

6,984,140 3,492,070 1,746,035 5,238,106 2,619,053 7,857,160 3,928,580 1,964,290 982,145 2,946,436 1,473,218 736,609 2,209,828 1,104,914 552,457 1,657,372 828,686 414,343 1,243,030 621,515 1,864,546 932,273 2,796,820 1,398,410 699,205 2,097,616 1,048,808 524,404 262,202 131,101 393,304 196,652 98,326 49,163 147,490 73,745 221,236 110,618 55,309 165,928 82,964 41,482 20,741 62,224 31,112 15,556 7,778 3,889 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642 821 2,464 1,232

← Previous Integer #6,984,139 Browse Full Index Next Integer #6,984,141 →