Properties of the Number 71634

Seventy-One Thousand Six Hundred Thirty-Four

Basics

Value: 71633 → 71634 → 71635

Parity: even

Prime: No

Previous Prime: 71633

Next Prime: 71647

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11939

Divisors: 1, 2, 3, 6, 11939, 23878, 35817, 71634

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001011111010010

Octal: 213722

Duodecimal: 35556

Hexadecimal: 117d2

Square: 5131429956

Square Root: 267.6452876476625

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

Free polyominoes with 4n squares, having 90-degree rotational symmetry about a square corner, but not having reflective symmetry. A234007

a(n) is the ratio of the sum of the squares of the bends of the spheres that are added in the n-th generation of Apollonian packing of three-dimensional spheres, using "strategy (a)" to count them (see the reference), to the sum of the squares of the bends of the initial five mutually tangent spheres. A154642

Number of terms in the set InvPhi(1048576·prime(n)), where prime(n) is the n-th prime. A71634

Number of nX6 0..1 arrays with no 1 equal to more than one of its king-move neighbors. A282645