Properties of the Number 74637

Seventy-Four Thousand Six Hundred Thirty-Seven

Basics

Value: 74636 → 74637 → 74638

Parity: odd

Prime: No

Previous Prime: 74623

Next Prime: 74653

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 8293

Divisors: 1, 3, 9, 8293, 24879, 74637

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001110001101

Octal: 221615

Duodecimal: 37239

Hexadecimal: 1238d

Square: 5570681769

Square Root: 273.1977305908671

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4. A197529

Number of equivalence classes of ballot paths of length n for the string ddd. A274111

a(n) = (1/2)*A026907(2·n, n). A26909

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4. A197525

Number of nX7 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 4,4,1,0,1 for x=0,1,2,3,4. A197528

Number of (1+1)X(n+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250730

Numerator of 4·H(n,4,3), a generalized harmonic number. A74637