Properties of the Number 79480

Seventy-Nine Thousand Four Hundred Eighty

Basics

Value: 79479 → 79480 → 79481

Parity: even

Prime: No

Previous Prime: 79451

Next Prime: 79481

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 1987

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1987, 3974

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011001111000

Octal: 233170

Duodecimal: 39BB4

Hexadecimal: 13678

Square: 6317070400

Square Root: 281.9219750214587

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

Numerator of Hermite(n, 10/27). A160132

Number of (n+1) X (5+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235275

Number of (n+1) X (9+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235279

Number of non-isomorphic maximal independent sets of the n-cycle graph having no symmetry axis. A127686

T(n,k) is the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings). A235280

a(1) = 1; a(2) = 2; a(n) = LS(a(n-1)) + LS(a(n-2)) if n > 2, where LS(m) = the "Look and Say" description (A045918) of m. A79480