Properties of the Number 74518

Seventy-Four Thousand Five Hundred Eighteen

Basics

Value: 74517 → 74518 → 74519

Parity: even

Prime: No

Previous Prime: 74509

Next Prime: 74521

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 19 × 37 × 53

Divisors: 1, 2, 19, 37, 38, 53, 74, 106, 703, 1007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001100010110

Octal: 221426

Duodecimal: 3715A

Hexadecimal: 12316

Square: 5552932324

Square Root: 272.9798527364245

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(n) = binomial(n,4) + binomial(n,2). A55795

Number of nX5 0..1 arrays with every element unequal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318420

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318423

a(n) = 1ⁿ + 5ⁿ + 8ⁿ. A74518