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Properties of the Number 59920

Fifty-Nine Thousand Nine Hundred Twenty

Basics

Value: 59919 → 59920 → 59921

Parity: even

Prime: No

Previous Prime: 59887

Next Prime: 59921

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 4 × 5 × 7 × 107

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110101000010000

Octal: 165020

Duodecimal: 2A814

Hexadecimal: ea10

Square: 3590406400

Square Root: 244.78562049270786

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

Place a point on the integer coordinates, up to |n|, along all four axial directions on a Cartesian plane, and then join an infinite straight line between every pair of points: a(n) is the number of finite regions created in the resulting graph. A386560
Row sums of the array A274193, defined by g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,3k) for n > 0, k > 1. A274194
Triangle read by rows: SD(n,k) = `Type D' Stirling numbers of the second kind. A86364
Number of (n+1)X(6+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one. A237635
a(n) is the sum of the squares of the areas under Motzkin paths of length n. A367778
Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= n/3. A47197
Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n-1)/3. A48009
Number of nonempty subsets of {1,2,...,n} in which exactly 3/4 of the elements are <= (n+1)/3. A48042
T(n,k) = Number of (n+1) X (k+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. A237637
Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 3 4 6 or 7. A252136