Properties of the Number 20329

Twenty Thousand Three Hundred Twenty-Nine

Basics

Value: 20328 → 20329 → 20330

Parity: odd

Prime: No

Previous Prime: 20327

Next Prime: 20333

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 29 × 701

Divisors: 1, 29, 701, 20329

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101101001

Octal: 47551

Duodecimal: B921

Hexadecimal: 4f69

Square: 413268241

Square Root: 142.57980221616245

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 of atoms in a decahedron with n shells. A4068

Column 11 of array illustrated in A089574 and related to A034261. A109821

L.g.f.: ∑_n>=1 xⁿ/n * ∏_d∣n (1 + d·xⁿ)^d. A205483

Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=|x-y|+|y-z|. A212570

Fundamental discriminants d uniquely characterizing all complex biquadratic fields Q(sqrt(-3),sqrt(d)) which have 3-class group of type (3,3) and second 3-class group isomorphic to SmallGroup(729,95). A250239

Prime time numbers on 6-digit clocks: numbers of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295014

MM-numbers of crossing, capturing multiset partitions (with empty parts allowed). A326259

Odd composite integers m such that A087130(m) == 5 (mod m). A335671

Total sum of nonprime parts in all partitions of n. A194545

a(n) = 42·n² + 1. A158604