Properties of the Number 73146

Seventy-Three Thousand One Hundred Forty-Six

Basics

Value: 73145 → 73146 → 73147

Parity: even

Prime: No

Previous Prime: 73141

Next Prime: 73181

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 73 × 167

Divisors: 1, 2, 3, 6, 73, 146, 167, 219, 334, 438

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110110111010

Octal: 216672

Duodecimal: 363B6

Hexadecimal: 11dba

Square: 5350337316

Square Root: 270.45517188621113

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

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 931", based on the 5-celled von Neumann neighborhood. A273790

Number of distinct solutions of sum{i=1..5}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1. A180776

Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155311

T(n,k)=number of distinct solutions of sum{i=1..k}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1. A180782

Triangle of numbers {a(n,k), n >= 0, 0 <= k <= n} defined by a(0,0)=1, a(n,0)=A000670(n), a(n,n)=A000629(n), a(n,k) = a(n,k-1) + a(n-1,k-1); a(n+1,0) = ∑_k=0..n a(n,k). A73146