Properties of the Number 12056

Twelve Thousand Fifty-Six

Basics

Value: 12055 → 12056 → 12057

Parity: even

Prime: No

Previous Prime: 12049

Next Prime: 12071

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 11 × 137

Divisors: 1, 2, 4, 8, 11, 22, 44, 88, 137, 274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111100011000

Octal: 27430

Duodecimal: 6B88

Hexadecimal: 2f18

Square: 145347136

Square Root: 109.79981785048643

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

Expansion of ∏_k>=1 (1 + x^k)^sigma₄(k). A301548

a(n) = 25·n² - 2·n. A154376

Average of terms in n-th row of A077529. A77532

Triangle of coefficients of polynomials v(n,x) jointly generated with A209141; see the Formula section. A209142

Triangle of coefficients of polynomials v(n,x) jointly generated with A209745; see the Formula section. A209746

Numbers k such that 25·k+1 is a square. A219259

Sum of numbers in n-th upward diagonal of triangle in A079826. A79825

p-INVERT of (1,0,1,0,0,0,0,...), where p(S) = 1 - S² - S³. A291736

Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of ∏_j>=1 (1 + x^j)^sigma_k(j). A321877

a(n) = (9·n⁴+10·n³-3·n²-4·n)/12. A172045