Properties of the Number 30667

Thirty Thousand Six Hundred Sixty-Seven

Basics

Value: 30666 → 30667 → 30668

Parity: odd

Prime: No

Previous Prime: 30661

Next Prime: 30671

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 13 × 337

Divisors: 1, 7, 13, 91, 337, 2359, 4381, 30667

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011111001011

Octal: 73713

Duodecimal: 158B7

Hexadecimal: 77cb

Square: 940464889

Square Root: 175.11995888533093

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

Number A(n,k) of necklaces with n white beads and k·n black beads; square array A(n,k), n>=0, k>=0, read by antidiagonals. A261494

Sum of numbers that can be written as t·n + u*(n+1) for nonnegative integers t,u in exactly one way. A76454

Number of compositions (ordered partitions) of n into distinct parts >= 3. A339101

Expansion of (1+4·x+x²)/((1+x)²*(1-x)⁵). A233329

Number of necklaces with 8 black beads and n-8 white beads. A32193

a(n) = (1/(3·n))*∑_{d∣n, d even} φ(2·n/d)*binomial(3d/2,d). A82936

Number of nondecreasing strings of numbers x(i=1..n) in -5..5 with sum x(i)³ equal to 0. A188273

a(n) = 21·n² - 33·n + 13. A289134

Number of reduced words of length n in Coxeter group on 14 generators S_i with relations (S_i)² = (S_i S_j)⁴ = I. A163090

Square root of A030666(n). A30667