Properties of the Number 32381

Thirty-Two Thousand Three Hundred Eighty-One

Basics

Value: 32380 → 32381 → 32382

Parity: odd

Prime: Yes

Previous Prime: 32377

Next Prime: 32401

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 32381

Divisors: 1, 32381

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111111001111101

Octal: 77175

Duodecimal: 168A5

Hexadecimal: 7e7d

Square: 1048529161

Square Root: 179.94721448246983

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) = T(2n,n-3), T given by A026725. A26842

a(n) = T(2n+1,n+4), T given by A026725. A26846

a(n) = T(2n,n-3), T given by A026736. A26849

Hyperartiads. A270798

Unique terms in sequence A210144. A214196

Values of abs(P(x)), with P(x) = (1/72)*x⁶ + (1/24)*x⁵ - (1583/72)*x⁴ - (3161/24)*x³ + (200807/36)*x² + (97973/3)*x - 11351, for -45 <= x <= 12, sorted by size. All values in the given range are prime. A330364

Numbers k such that the continued fraction for sqrt(k) has period 83. A20422

Primes of the form k² + prime(k) + 1. A63461

Numbers n such that 6·10ⁿ + 4·R_n + 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n. A103036

Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10. A287303