Properties of the Number 30161

Thirty Thousand One Hundred Sixty-One

Basics

Value: 30160 → 30161 → 30162

Parity: odd

Prime: Yes

Previous Prime: 30139

Next Prime: 30169

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 30161

Divisors: 1, 30161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010111010001

Octal: 72721

Duodecimal: 15555

Hexadecimal: 75d1

Square: 909685921

Square Root: 173.66922582887275

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

Primes of form n² + 28561. A256841

Prime numbers n such that n = p1³ + p2³ + p3³, a sum of cubes of 3 distinct prime numbers. A137365

a(n) is the n-th prime whose decimal expansion begins with the decimal expansion of n. A77345

Subsequence of A137365 where it is possible to choose p1, p2, p3 so that p1+p2+p3 = prime. A137366

Primes of the form p³ + q³ + r³, where p, q and r are primes. A123597

Primes p such that all the digits needed to write the consecutive Primes from 2 to p fill exactly a square (no holes, no overlaps). A158024

Primes equal to the sum of both two and three successive semiprimes. A255897

Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357". A295708

Primorial base emirps: prime numbers whose primorial base reversal is a different prime. A333425

Primes p such that (q·s-p·r)/2 and |p·s-q·r|/2 are both prime, where p,q,r,s are consecutive primes. A341802