Properties of the Number 79243

Seventy-Nine Thousand Two Hundred Forty-Three

Basics

Value: 79242 → 79243 → 79244

Parity: odd

Prime: No

Previous Prime: 79241

Next Prime: 79259

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 109 × 727

Divisors: 1, 109, 727, 79243

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10011010110001011

Octal: 232613

Duodecimal: 39A37

Hexadecimal: 1358b

Square: 6279453049

Square Root: 281.50133214604864

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 n X 2 0..1 arrays with every element equal to 0, 1, 3 or 4 king-move adjacent elements, with upper left element zero. A297901

G.f.: ( 1 - x² - sqrt( 1 - 2·x² - 4·x³ - 3·x⁴ ) ) / ( 2·x³ ). A50253

Difference 2·k - A003961(k) computed for k for which this difference divides difference (A003961(k)-σ(k)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1). A379216

a(n) = gcd(A003961(n)-2n, A003961(n)-σ(n)), where A003961(n) is fully multiplicative function with a(prime(k)) = prime(k+1). A326057

Number of isomorphism classes of associative non-commutative non-anti-associative anti-commutative closed binary operations on a set of order n. A79243