Properties of the Number 11109

Eleven Thousand One Hundred Nine

Basics

Value: 11108 → 11109 → 11110

Parity: odd

Prime: No

Previous Prime: 11093

Next Prime: 11113

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 23 ²

Divisors: 1, 3, 7, 21, 23, 69, 161, 483, 529, 1587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10101101100101

Octal: 25545

Duodecimal: 6519

Hexadecimal: 2b65

Square: 123409881

Square Root: 105.39924098398431

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 + (n+1)² + (n+2)³. A27620

Forests of k increasing plane unary-binary trees on n nodes. Generalized Stirling numbers of the second kind associated with A185415. A185422

a(n) = 21·n². A64762

Numbers whose decimal expansion is a concatenation of 3 consecutive decreasing numbers. A127424

Square array A(n, k) = 2*φ(A246278(n, k)) - A246278(n, k), read by falling antidiagonals; A083254, (2*φ(n)-n), applied to the prime shift array. A379011

a(n) = n*(n+2)². A152619

Triangle of coefficients of polynomials u(n,x) jointly generated with A209768; see the Formula section. A209767

Numbers n with property that n² contains "1234" as a substring. A175464

a(n) = A277713(n)/3. A277714

Number of parts in all partitions of n with largest multiplicity three. A320373