Properties of the Number 30427

Thirty Thousand Four Hundred Twenty-Seven

Basics

Value: 30426 → 30427 → 30428

Parity: odd

Prime: Yes

Previous Prime: 30403

Next Prime: 30431

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 30427

Divisors: 1, 30427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011011011011

Octal: 73333

Duodecimal: 15737

Hexadecimal: 76db

Square: 925802329

Square Root: 174.4333683674084

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

Coefficient of x² in the minimal polynomial of the continued fraction [1ⁿ,sqrt(2),1,1,...], where 1ⁿ means n ones. A266712

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + 2·n, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294558

Numbers k such that 24·k-1 has at least three factors 7 and the partition function evaluated at k has at least the same number of factors 7 as 24·k-1. A340957

a(n) = initial term of an arithmetic progression of nine primes used to form a 3 X 3 magic square with magic sum A269324(n). A269325

Primes that are palindromes in primorial base. A333424

Triangle T(n,k) in which the n-th row encodes the inverse of a 3n X 3n Jacobi matrix, with 1's on the lower, main, and upper diagonals in GF(2), where the encoding consists of the decimal representations for the binary rows (n >= 1, 1 <= k <= 3n). A363146

Primes from merging of 5 successive digits in decimal expansion of exp(2). A105001

Primes of the form 5n² + 7. A201485

Decimal representation of the middle column of the "Rule 109" elementary cellular automaton starting with a single ON (black) cell. A267210

Number of positive integers <= 2ⁿ of form 8 x² + 9 y². A54191