Properties of the Number 60040

Sixty Thousand Forty

Basics

Value: 60039 → 60040 → 60041

Parity: even

Prime: No

Previous Prime: 60037

Next Prime: 60041

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 19 × 79

Divisors: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110101010001000

Octal: 165210

Duodecimal: 2A8B4

Hexadecimal: ea88

Square: 3604801600

Square Root: 245.03061033266843

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..1 arrays with rows unimodal and antidiagonals nondecreasing. A224409

a(n) = n*(n + 1)*(5·n² + 5·n - 4)/12. A264853

Numerator of n*(n-2)*(2·n-1)/(2*(n-1)). A22997

Molecular topological indices of the crown graphs. A192796

Number of n X 3 0..1 arrays with rows unimodal and antidiagonals nondecreasing. A224404

Let s denote the sum of the abundant numbers in the aliquot parts of x. Sequence lists numbers·such that σ(s) = usigma(x), where usigma(x) is the sum of the unitary divisors of x (A034448). A258135

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 3 4 6 or 7. A252544

Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of ways to select four points from an n X k grid so that three of them form a triangle of nonzero area and the extra point is on one of the edges of the triangle. A334710

Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 1 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 1 3 4 6 or 7. A252238

Number of (3+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 3 4 6 or 7. A252547