Properties of the Number 74145

Seventy-Four Thousand One Hundred Forty-Five

Basics

Value: 74144 → 74145 → 74146

Parity: odd

Prime: No

Previous Prime: 74143

Next Prime: 74149

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 4943

Divisors: 1, 3, 5, 15, 4943, 14829, 24715, 74145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000110100001

Octal: 220641

Duodecimal: 36AA9

Hexadecimal: 121a1

Square: 5497481025

Square Root: 272.29579504648984

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

Number of nX2 0..1 arrays with no 1 equal to more than one of its king-move neighbors. A282641

a(1) = 1; for n>1, a(n) is the smallest previously unused natural number such that a(n) divides the sum of next a(n) terms. A74145