Properties of the Number 74185

Seventy-Four Thousand One Hundred Eighty-Five

Basics

Value: 74184 → 74185 → 74186

Parity: odd

Prime: No

Previous Prime: 74177

Next Prime: 74189

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 37 × 401

Divisors: 1, 5, 37, 185, 401, 2005, 14837, 74185

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000111001001

Octal: 220711

Duodecimal: 36B21

Hexadecimal: 121c9

Square: 5503414225

Square Root: 272.3692346796899

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

a(1) = 1, for n > 1 a(n) is the smallest number such that the product of all previous terms is > nⁿ. A74185

Number of involutions of length 2n which are invariant under the reverse-complement map and have no decreasing subsequences of length 8. A145870