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Properties of the Number 7313

Seven Thousand Three Hundred Thirteen

Basics

Value: 7312 → 7313 → 7314

Parity: odd

Prime: No

Previous Prime: 7309

Next Prime: 7321

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 71 × 103

Divisors: 1, 71, 103, 7313

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110010010001

Octal: 16221

Duodecimal: 4295

Hexadecimal: 1c91

Square: 53479969

Square Root: 85.51608035919327

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

Number of (2,0)-separable partitions of n; see Comments. A239482
T(n,k) = Number of n X k nonnegative integer arrays with upper left 0 and lower right n+k-4 and value increasing by 0 or 1 with every step right or down. A252876
Number of ways to choose a strict composition of each part of a strict composition of n. A336139
Number of integer partitions of the n-th squarefree semiprime into squarefree semiprimes. A338903
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing. A206223
Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of ∏j>=1 (1 + jk*xj). A292189
Semiprimes whose prime factors are of equal binary length and which differ from each other in one bit position only. A261073
T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero. A317011
Expansion of ∏k>=1 (1 + k4*xk). A265841
a(n) = p(0) + p(1) + ... + p(n) - n - 1, where p = partition numbers, A000041. A58682