Properties of the Number 29666

Twenty-Nine Thousand Six Hundred Sixty-Six

Basics

Value: 29665 → 29666 → 29667

Parity: even

Prime: No

Previous Prime: 29663

Next Prime: 29669

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 × 13 × 163

Divisors: 1, 2, 7, 13, 14, 26, 91, 163, 182, 326

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111001111100010

Octal: 71742

Duodecimal: 15202

Hexadecimal: 73e2

Square: 880071556

Square Root: 172.23820714347906

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

Column 4 of an array closely related to A083480. (Both arrays have shape sequence A083479). A89574

Numbers k such that k and k+1 are the product of exactly four distinct primes. A318896

Expansion of ∏_k>=1 1/((1 - x^k) * (1 - x^2·k) * (1 - x^3·k) * (1 - x^4·k) * (1 - x^5·k)). A327044

a(n) = n! * ∑_k=0..n binomial(k+2,3) / k!. A368574

Number of (w,x,y,z) with all terms in {0,...,n} such that range{w,x,y,z} is not one of the numbers w,x,y,z. A212569

Square array read by antidiagonals downwards: for n >= 2, T(k,n) is the number of permutations of [k+n] that differ in every position from both the identity permutation and a permutation consisting of k 1-cycles and one n-cycle. A335391

Number of permutations of {1,2,...,n} in which the fixed points and the non-fixed points alternate. A162969

a(n) = (8·n³ + 3·n² + n) / 6. A219054

Starting positions of strings of three 6's in the decimal expansion of π. A83625

Numbers to the right of the central elements of the (2,1)-Pascal triangle A029653. A29666