Properties of the Number 81430

Eighty-One Thousand Four Hundred Thirty

Basics

Value: 81429 → 81430 → 81431

Parity: even

Prime: No

Previous Prime: 81421

Next Prime: 81439

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 17 × 479

Divisors: 1, 2, 5, 10, 17, 34, 85, 170, 479, 958

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111000010110

Octal: 237026

Duodecimal: 3B15A

Hexadecimal: 13e16

Square: 6630844900

Square Root: 285.3594224832956

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

Denominators of continued fraction convergents to sqrt(709). A42365

Smallest k such that n⁸+k⁸, n⁴+k⁴, n²+k², n+k are simultaneously prime. A71564

Numbers whose base-5 representation has exactly 8 runs. A43608

Class 11- primes. A81430