Properties of the Number 12120

Twelve Thousand One Hundred Twenty

Basics

Value: 12119 → 12120 → 12121

Parity: even

Prime: No

Previous Prime: 12119

Next Prime: 12143

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 101

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111101011000

Octal: 27530

Duodecimal: 7020

Hexadecimal: 2f58

Square: 146894400

Square Root: 110.09087155618307

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

Triangle read by rows: T(n,m) (n >= m >= 1) = number of chambers (or regions) formed by drawing the line segments connecting any two of the (n+1) X (m+1) lattice points in an n X m lattice polygon. A288187

T(n,k)=Number of length n+4 0..k arrays with no disjoint pairs in any consecutive five terms having the same sum. A247404

Numbers in base -3. A73785

Numbers of rank 10 in the poset of lunar numbers. A191752

Expansion of r(q)³ / r(q³) in powers of q where r() is the Rogers-Ramanujan continued fraction. A285628

Infinitary 3-nondeficient numbers: numbers k such that isigma(k) >= 3·k, where isigma(k) is the sum of infinitary divisors of k (A049417). A300664

a(n) is the total number of down steps between the 2nd and 3rd up steps in all 3-Dyck paths of length 4·n. A 3-Dyck path is a nonnegative lattice path with steps (1, 3), (1, -1) that starts and ends at y = 0. A334645

a(n) = 121·n² + 2·n. A181679

a(n) is the number of edges formed by n-secting the angles of a pentagon. A335555

a(n) = 1728·n + 24. A157325