Properties of the Number 79740

Seventy-Nine Thousand Seven Hundred Forty

Basics

Value: 79739 → 79740 → 79741

Parity: even

Prime: No

Previous Prime: 79699

Next Prime: 79757

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 443

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011101111100

Octal: 233574

Duodecimal: 3A190

Hexadecimal: 1377c

Square: 6358467600

Square Root: 282.3827190180022

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 length n+6 0..k arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms. A250154

Number of unrooted level-1 phylogenetic networks (also called galled trees) with (n+1) labeled leaves. A328121

Number of length n+6 0..3 arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms. A250149

Number of length 3+6 0..n arrays with every seven consecutive terms having the maximum of some two terms equal to the minimum of the remaining five terms. A250157

Numbers n such that n²+k-1 is the sum of two nonzero squares in exactly k ways for all k = 1, 2, 3. A273341

Primes of the form x² + y² + 2 (x,y positive). A79740

Number of (n+2)X(1+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order. A253037