Properties of the Number 86989

Eighty-Six Thousand Nine Hundred Eighty-Nine

Basics

Value: 86988 → 86989 → 86990

Parity: odd

Prime: No

Previous Prime: 86981

Next Prime: 86993

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 7 × 17 ² × 43

Divisors: 1, 7, 17, 43, 119, 289, 301, 731, 2023, 5117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001111001101

Octal: 251715

Duodecimal: 42411

Hexadecimal: 153cd

Square: 7567086121

Square Root: 294.93897673925704

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 1-dimensional sandpiles with n grains piling up against the wall. A291896

Primitive triples, in nondecreasing order of perimeter, for integer-sided triangles with two perpendicular medians; each triple is in increasing order, and if perimeters coincide then increasing order of the smallest side. A335034

Sum of even-indexed divisors of n. A86989