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Properties of the Number 8346

Eight Thousand Three Hundred Forty-Six

Basics

Value: 8345 → 8346 → 8347

Parity: even

Prime: No

Previous Prime: 8329

Next Prime: 8353

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 13 × 107

Divisors: 1, 2, 3, 6, 13, 26, 39, 78, 107, 214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 10000010011010

Octal: 20232

Duodecimal: 49B6

Hexadecimal: 209a

Square: 69655716

Square Root: 91.35644476444998

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

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 2 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 2 3 4 6 or 7. A252407
a(n) = n*(11·n - 1)/2. A22268
Number of integer partitions of n whose semi-sums cover an interval of positive integers. A367402
The first 8 values are predefined, the remaining set to a(n) = 48·prime(n)+n+2. A129025
Costas arrays such that the corresponding permutation is a derangement. A213271
Coefficients related to the asymptotics of generalized Delannoy numbers. A341477
Numbers k such that 4k + k4 + 1 is prime. A216423
Numbers n such that sum of squares of digits of n equals the sum of prime divisors of n. A217390
Indices of zeros in A269783. A269967
Values of k such that A005132(k) (the k-th number in the Recamán sequence) divides k. A330791