Properties of the Number 12020

Twelve Thousand Twenty

Basics

Value: 12019 → 12020 → 12021

Parity: even

Prime: No

Previous Prime: 12011

Next Prime: 12037

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 601

Divisors: 1, 2, 4, 5, 10, 20, 601, 1202, 2404, 3005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111011110100

Octal: 27364

Duodecimal: 6B58

Hexadecimal: 2ef4

Square: 144480400

Square Root: 109.63576058932597

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

4-dimensional analog of centered polygonal numbers. A6322

Multiples of 5 with digit sum 5. A69540

Numbers in base -3. A73785

Number of integer compositions of n whose leaders of anti-runs are weakly decreasing. A374682

Number of compositions (ordered partitions) of n into distinct parts, the least being 4. A339165

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+601)² = y². A111258

G.f. satisfies A(x) = 1 + x*(1 + x·A(x)⁵)⁴. A137964

Totally balanced decimal numbers: if we assign the weight w(d) = d-1 to each digit d (i.e., w(0) = -1, w(1) = 0, ..., w(9) = 8) and then read the digits of the term from left to right, the partial sum of the weights is never negative and the total weighted sum is zero. A71154

"Lazy binary" representation of n. Also called redundant binary representation of n. A89591

Łukasiewicz words that are also valid asynchronic siteswap juggling patterns. A71160