Properties of the Number 7119

Seven Thousand One Hundred Nineteen

Basics

Value: 7118 → 7119 → 7120

Parity: odd

Prime: No

Previous Prime: 7109

Next Prime: 7121

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 113

Divisors: 1, 3, 7, 9, 21, 63, 113, 339, 791, 1017

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1101111001111

Octal: 15717

Duodecimal: 4153

Hexadecimal: 1bcf

Square: 50680161

Square Root: 84.3741666625514

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

(Prime(n)# - 4)/2 is prime, where x# is the primorial A034386(x). A67026

Number of partitions of n such that (greatest part) - (least part) = number of parts. A237832

Array read by antidiagonals: T(m,n) = number of (undirected) paths in the grid graph P_m X P_n. A288518

a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(2) = 4. A50039

Number of integer partitions of n whose weighted sum is divisible by n. A362559

Sum of the sixth largest parts of the partitions of n into 10 parts. A326593

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101. A260106

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 8, up to isomorphism. A358248

a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=2,a(2)=9. A154495

Numbers k such that k = ∑_i=x..y i and, in decimal, k is the concatenation of·and y. A186074