Properties of the Number 11270

Eleven Thousand Two Hundred Seventy

Basics

Value: 11269 → 11270 → 11271

Parity: even

Prime: No

Previous Prime: 11261

Next Prime: 11273

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 ² × 23

Divisors: 1, 2, 5, 7, 10, 14, 23, 35, 46, 49

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000000110

Octal: 26006

Duodecimal: 6632

Hexadecimal: 2c06

Square: 127012900

Square Root: 106.1602562167217

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) = (-n⁵ + 15·n⁴ - 65·n³ + 125·n² - 34·n + 40)/40. A161713

Lesser of amicable pair m < n defined by t(n) = m and t(m) = n where t(n) = ψ(n) - n and ψ(n) = A001615(n) is the Dedekind ψ function. A323329

a(n) = n*(n+1)*(8·n + 1)/6. A132124

Expansion of 1/((1-x)²*(1-x²)²*(1-x³)). A97701

Sum of n-th antidiagonal of array in A082002. A82005

a(n) = ∑_{k=1..floor((n+1)/2)} T(n,2k-1), array T as in A049777. A49778

a(n) = sum of the first n upper twin primes. A86168

Number of all possible tetrahedra of any size and orientation, formed when intersecting the original regular tetrahedron by planes parallel to its sides and dividing its edges into n equal parts. A216173

Euler transform of A373217. A373298

a(n) = n·A033885(A003961(n)), where A033885(n) = 3·n-σ(n), and A003961 is fully multiplicative with a(p) = nextprime(p). A388977