Properties of the Number 49620

Forty-Nine Thousand Six Hundred Twenty

Basics

Value: 49619 → 49620 → 49621

Parity: even

Prime: No

Previous Prime: 49613

Next Prime: 49627

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 827

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100000111010100

Octal: 140724

Duodecimal: 24870

Hexadecimal: c1d4

Square: 2462144400

Square Root: 222.75547131327662

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 maximum independent vertex sets in the n-triangular honeycomb queen graph. A289893

Number of ways to write n as an ordered sum of nine powers of 2. A342252

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences. A295363

Expansion of ∏_{i>=1, j>=1} theta₃(x^i·j), where theta₃() is the Jacobi θ function. A308286

Numbers k such that Bernoulli number B_k has denominator 56786730. A295598

T(n,k) is the number of ways to arrange k nonattacking triangular rooks on an nXnXn triangular grid. A193986

a(n) = T(n,n), array T as in A049615. A49620

Triangle read by rows: T(n,k), n>=1, k>=1, in which column k lists the numbers of A210843 multiplied by A000330(k), and the first element of column k is in row A000217(k). A249120

a(n) = a(n-1) + s, where s is the least square >= a(n-1) and the first digit of s equals the first digit of a(n-1). a(0)=1. A175529

Number of nX4 0..1 arrays with no 1 equal to more than one of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly two elements. A282965