Properties of the Number 89840

Eighty-Nine Thousand Eight Hundred Forty

Basics

Value: 89839 → 89840 → 89841

Parity: even

Prime: No

Previous Prime: 89839

Next Prime: 89849

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 5 × 1123

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101111011110000

Octal: 257360

Duodecimal: 43BA8

Hexadecimal: 15ef0

Square: 8071225600

Square Root: 299.7332147093478

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

Signature permutations of non-recursive Catalan automorphisms (i.e., bijections of finite plane binary trees, with no unlimited recursion down to indefinite distances from the root), sorted according to the minimum number of opening nodes needed in their defining clauses. A89840