Properties of the Number 31189

Thirty-One Thousand One Hundred Eighty-Nine

Basics

Value: 31188 → 31189 → 31190

Parity: odd

Prime: Yes

Previous Prime: 31183

Next Prime: 31193

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 31189

Divisors: 1, 31189

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100111010101

Octal: 74725

Duodecimal: 16071

Hexadecimal: 79d5

Square: 972753721

Square Root: 176.60407696313243

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

Home primes whose homeliness is 4. A133962

Primes in A126554. A126555

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

Number of partitions of n plus number of divisors of n. A195364

Number of Dyck paths of semilength n avoiding the consecutive step pattern UDUDU, where U=(1,1) and D=(1,-1). A247333

Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k occurrences of the string ududu, where u=(1,1), d=(1,-1). A246188

Numbers that are both prime-indexed primes and lucky-indexed lucky numbers. A307008

Least p=prime(k) for which A118123(k)=n. A117877

Primes of the form A177353(n) + 1 sorted with respect to increasing n. A178178

Numbers having period-4 5-digitized sequences. A31189