Properties of the Number 89019

Eighty-Nine Thousand Nineteen

Basics

Value: 89018 → 89019 → 89020

Parity: odd

Prime: No

Previous Prime: 89017

Next Prime: 89021

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 7 × 157

Divisors: 1, 3, 7, 9, 21, 27, 63, 81, 157, 189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

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Representations

Binary: 10101101110111011

Octal: 255673

Duodecimal: 43623

Hexadecimal: 15bbb

Square: 7924382361

Square Root: 298.36052017651394

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

a(n) = n*(5·n - 3)*(25·n² - 15·n - 6)/8. A264891

First nontrivial·satisfying x² - 3·y² = d², where d=A072330(n). A89019

Numbers k such that the k-th heptagonal number is 6-almost prime. A114558