Properties of the Number 20004

Twenty Thousand Four

Basics

Value: 20003 → 20004 → 20005

Parity: even

Prime: No

Previous Prime: 19997

Next Prime: 20011

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 1667

Divisors: 1, 2, 3, 4, 6, 12, 1667, 3334, 5001, 6668

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111000100100

Octal: 47044

Duodecimal: B6B0

Hexadecimal: 4e24

Square: 400160016

Square Root: 141.43549766589715

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 partitions of n for which 2*(number of distinct parts) <= (number of parts). A237363

T(n,k)=Number of length n+3 0..k arrays with no pair in any consecutive four terms totalling exactly k. A246479

List the positions of all digits '1' in the sequence. This is the lexicographically earliest increasing sequence with this property. A98645

Number of binary strings of length n with equal numbers of 010 and 101 substrings. A164146

Numbers n with property that n is a substring of its base 5 representation. A38105

a(n) = 9·n² + 21·n - 6 (n>=1). A304374

Number of parts in all partitions of n with largest multiplicity three. A320373

McKay-Thompson series of class 28D for Monster. A58609

Least natural number n in increasing order such that the sum of decimal digits is equal to A001223(n). A179462

Number of length n+3 0..6 arrays with no pair in any consecutive four terms totaling exactly 6. A246477