Properties of the Number 30229

Thirty Thousand Two Hundred Twenty-Nine

Basics

Value: 30228 → 30229 → 30230

Parity: odd

Prime: No

Previous Prime: 30223

Next Prime: 30241

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 19 × 37 × 43

Divisors: 1, 19, 37, 43, 703, 817, 1591, 30229

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011000010101

Octal: 73025

Duodecimal: 155B1

Hexadecimal: 7615

Square: 913792441

Square Root: 173.86489007272286

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits. A262472

Number of binary necklaces of length n with no subsequence 000. A93305

Number of distinct integers that can be generated by an expression containing n binary operators (any of add, subtract, multiply and divide) whose operands are any integer between 1 and 9; parenthesis allowed. A181959

Numbers k such that σ(k+1) = 2*φ(k). A67260

Numerators of continued fraction convergents to sqrt(263). A41492

Composite numbers whose sum of aliquot parts divides the sum of the aliquot parts of the numbers less than or equal to n and not relatively prime to n. A249109

Expansion of ∑_k>=0 binomial(k,floor(k/2))*x^k/∏_j=1..k (1 - j·x). A305560

a(n) = A168174(n)-10¹². A168248

Number of length n+1 0..2 arrays with at most one downstep in every n consecutive neighbor pairs. A255108

Number of (n+1)X(5+1) 0..1 arrays with each row divisible by 3 and each column divisible by 5, read as a binary number with top and left being the most significant bits. A262469