8,137,249

53 × 153533

Starting at 8,137,249, the Collatz iteration reaches 1 after 137 steps. The first transition is 24411748; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 53 × 153533

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 8,290,836

Proper Divisor Sum 153,587

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #8137247 ← → #8137273

Radix Representation

Decimal	8137249
Binary	11111000010101000100001 (23 bits)
Octal	0o37025041
Hexadecimal	0x7C2A21

Divisor Catalog (4)

1 53 153,533 8,137,249

Collatz Trajectory (137 steps to reach 1)

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

8,137,249 24,411,748 12,205,874 6,102,937 18,308,812 9,154,406 4,577,203 13,731,610 6,865,805 20,597,416 10,298,708 5,149,354 2,574,677 7,724,032 3,862,016 1,931,008 965,504 482,752 241,376 120,688 60,344 30,172 15,086 7,543 22,630 11,315 33,946 16,973 50,920 25,460 12,730 6,365 19,096 9,548 4,774 2,387 7,162 3,581 10,744 5,372 2,686 1,343 4,030 2,015 6,046 3,023 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 11,482 5,741 17,224 8,612

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