Properties of the Number -30431

Thirty Thousand Four Hundred Thirty-One

Basics

Value: -30432 → -30431 → -30430

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 30431

Divisors: 1, 30431

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011011011111

Octal: -73337

Duodecimal: -1573B

Hexadecimal: -76df

Square: 926045761

Square Root: 174.4448336867561

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) is the Mertens function value at the n-th primorial number. A87987

Primes p such that p, p+18, p+36 are consecutive primes. A52189

Primes of the form 2·n²+26·n+11. A243888

Triangular spiral sequence: sequence is written as a triangular spiral, each entry is the sum of the row in the previous direction containing the previous entry. A63177

First primes of record chains of consecutive primes such that all of them are evil (A027699). A177748

a(n) = 25·n² + 15·n + 1021. A214732

Solution of the complementary equation a(n) = a(0)*b(n-1) + a(1)*b(n-2) + ... + a(n-1)*b(0), where a(0) = 2, a(1) = 3, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences. A296005

Minimal natural number (in decimal representation) with n prime substrings in base-4 representation (substrings with leading zeros are considered to be nonprime). A217304

a(1) = 2, a(n+1) = smallest prime of the form a(n) + k·prime(n+1), k >1. A85041

a(1) = 3; for n > 1 a(n) is the least prime of form a(n-1) + k·prime(n-1) with k > 0. A95184