Properties of the Number 74186

Seventy-Four Thousand One Hundred Eighty-Six

Basics

Value: 74185 → 74186 → 74187

Parity: even

Prime: No

Previous Prime: 74177

Next Prime: 74189

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 757

Divisors: 1, 2, 7, 14, 49, 98, 757, 1514, 5299, 10598

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000111001010

Octal: 220712

Duodecimal: 36B22

Hexadecimal: 121ca

Square: 5503562596

Square Root: 272.3710704168121

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Denominators of continued fraction convergents to sqrt(409). A41777

a(n) = 2·n³ - 4·n² + 6·n - 2 (n>=1). A304159

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 01010-11111 pattern in any orientation. A147063

G.f. A(x) satisfies A(x) = (1 + x)² + x·A(x)⁴ / (1 + x)³. A367641

a(1) = 1; a(n) is the largest number such that the product of all previous terms is < nⁿ. A74186