Properties of the Number 53989

Fifty-Three Thousand Nine Hundred Eighty-Nine

Basics

Value: 53988 → 53989 → 53990

Parity: odd

Prime: No

Previous Prime: 53987

Next Prime: 53993

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 13 × 4153

Divisors: 1, 13, 4153, 53989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101001011100101

Octal: 151345

Duodecimal: 272B1

Hexadecimal: d2e5

Square: 2914812121

Square Root: 232.35533133543547

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

Matrix inverse of triangle A117334. A117335

Numbers m such that numbers m, m + 1, m + 2 and m + 3 have k, 2k, 3k and 4k divisors respectively. A340157

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood. A272457

Number of nX7 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. A303635

Smallest k such that nk-1 is prime. A53989

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. A303636

Table read by antidiagonals: T(n,k) (n >= 3, k >= 1) is the number of vertices formed in a regular n-gon by straight line segments when connecting the n corner vertices to the points dividing the sides into k equal parts. A354544