Properties of the Number 30181

Thirty Thousand One Hundred Eighty-One

Basics

Value: 30180 → 30181 → 30182

Parity: odd

Prime: Yes

Previous Prime: 30169

Next Prime: 30187

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 30181

Divisors: 1, 30181

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111010111100101

Octal: 72745

Duodecimal: 15571

Hexadecimal: 75e5

Square: 910892761

Square Root: 173.72679701186

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

Numbers n such that n!8 + 2 is prime. A204663

Primes p such that A001175(p) = (p-1)/6. A308791

Number of partitions p of n such that (number of even numbers in p) > (number of odd numbers in p). A241640

Primes p such that the decimal expansion of its base 7 expansion converted to decimal is a square. A241246

Primes p such that p³-p-+1 are twin primes. A158295

Numbers that are palindromes in primorial base. A333423

Let n range through the odd numbers skipping multiples of 5; a(n) = n-th prime ending in n. A89779

Primes that are palindromes in primorial base. A333424

a(n) = n + max{ a(i)*a(n-i) ; 1 <= i <= n-1 }, a(n) = n for n <= 2. A54253

Primes p such that 5·p+2, 7·p+4 and 11·p+6 are also prime. A173880