Properties of the Number 12260

Twelve Thousand Two Hundred Sixty

Basics

Value: 12259 → 12260 → 12261

Parity: even

Prime: No

Previous Prime: 12253

Next Prime: 12263

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 613

Divisors: 1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10111111100100

Octal: 27744

Duodecimal: 7118

Hexadecimal: 2fe4

Square: 150307600

Square Root: 110.72488428533127

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

a(n) = (n+1)*(n² +8·n +6)/6. Number of n-dimensional partitions of 4. Number of terms in 4th derivative of a function composed with itself n times. A8778

Number of integer partitions of n that cannot be partitioned into two or more blocks with equal sums. A321451

Numbers k for which 8·R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A96508

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254553

Number of triangles in an n X n unit grid that have minimal possible area (of 1/2). A88658

a(n) = |{m : multiplicative order of 9 mod m = n}|. A59891

T(n,k) = number of nXk 0..3 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor. A203101

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically. A254483

a(n) = ∑_{i=1..n, j=1..n, gcd(i,j)=2} (n+1-i)*(n+1-j). A331761

10-step Fibonacci sequence starting with 0,1,0,0,0,0,0,0,0,0. A251766