Properties of the Number 79872

Seventy-Nine Thousand Eight Hundred Seventy-Two

Basics

Value: 79871 → 79872 → 79873

Parity: even

Prime: No

Previous Prime: 79867

Next Prime: 79873

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ¹¹ × 3 × 13

Divisors: 1, 2, 3, 4, 6, 8, 12, 13, 16, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100000000000

Octal: 234000

Duodecimal: 3A280

Hexadecimal: 13800

Square: 6379536384

Square Root: 282.6163477224911

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

Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 25 (most significant digit on right). A29518

13-almost primes (generalization of semiprimes). A69274

Triangle of coefficients of Chebyshev's U(n,2·x-1) polynomials (exponents of·in decreasing order). A53125

T(n,k) = number of defective 3-colorings of an n X k 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order. A229694

Sequence associated with a(n) = 2·a(n-1) + k*(k+2)*a(n-2). A80929

Numbers k such that (number of prime factors of k counted with multiplicity) less (number of distinct prime factors of k) = 10. A195069

Number of vertices in the partite set of the n-Menger sponge graph that do not contain the corners. A359453

Triangle read by rows, T(n, k) = 4^k*S₄(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0. A225467

Chebyshev coefficients of density of states of BCC lattice. A288455

Expansion of ∏_m>=1 (1+x^m)⁴. A22569