Properties of the Number 30669

Thirty Thousand Six Hundred Sixty-Nine

Basics

Value: 30668 → 30669 → 30670

Parity: odd

Prime: No

Previous Prime: 30661

Next Prime: 30671

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 10223

Divisors: 1, 3, 10223, 30669

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111011111001101

Octal: 73715

Duodecimal: 158B9

Hexadecimal: 77cd

Square: 940587561

Square Root: 175.12566916360376

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

Triangle T(n,k) giving number of rooted maps regardless of genus with n edges and k nodes (n >= 0, k = 1..n+1). A53979

G.f. A(x) satisfies: 1+x = A(x)³ + A(x)⁴ - A(x)⁶. A249929

Triangle read by rows: T(n,k) is the number of linear chord diagrams on 2n vertices with one marked chord such that exactly k of the remaining n-1 chords contain the marked chord. A336600

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 100 ones. A31868

Denominators of continued fraction convergents to sqrt(337). A41637

Number of subsets of {1..n} without all equal lengths of maximal runs of consecutive elements increasing by 1. A385214

A sequence related to numeric partitions and Fermat Coefficients. A59251

Cube root of A030668. A30669