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Properties of the Number 79380

Seventy-Nine Thousand Three Hundred Eighty

Basics

Value: 79379 → 79380 → 79381

Parity: even

Prime: No

Previous Prime: 79379

Next Prime: 79393

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 2 × 3 4 × 5 × 7 2

Divisors: 1, 2, 3, 4, 5, 6, 7, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011011000010100

Octal: 233024

Duodecimal: 39B30

Hexadecimal: 13614

Square: 6301184400

Square Root: 281.7445651649735

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

Lower triangular array T(n,k) generator for group of arrays related to A001147 and A102625. A132382
Triangle T(n,k) is the number of permutations on n elements with at least one k-cycle for 1 <= k <= n. A293211
A partition product of Stirling2 type [parameter k = -3] with biggest-part statistic (triangle read by rows). A157399
Number of ways to place 2 nonattacking queens on an n X n toroidal board. A172517
Number of regions formed when n equally spaced points are placed around a circle and all pairs of points are joined by an interior arc whose radius equals the circle's radius. A371253
E(n,k), an additive decomposition of the Euler number (triangle read by rows). A154341
Triangle T(n, k) = (n/2)*binomial(n-1, k-1)*binomial(n-1, k) with T(n, 0) = T(n, n) = 1, read by rows. A174116
Triangle in which row n has the n*(n+1)/2 elements of the lower triangular part of the inverse of the n-th order Hilbert matrix. A189765
Triangle T, read by rows, such that the matrix square, T2, forms a simple 2-diagonal triangle where [T2](n,n) = 1 and [T2](n+1,n) = 2*(n+1) for n>=0. A113278
Square array read by antidiagonals: T(n, k) := (k/2)!/k! * ((2·n+1)*k)! * ((2·n+1/2)*k)! / ( (n·k)!2 * ((n+1/2)*k)!2 ) for n, k >= 0. A365025