Properties of the Number 79826

Seventy-Nine Thousand Eight Hundred Twenty-Six

Basics

Value: 79825 → 79826 → 79827

Parity: even

Prime: No

Previous Prime: 79823

Next Prime: 79829

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 167 × 239

Divisors: 1, 2, 167, 239, 334, 478, 39913, 79826

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011011111010010

Octal: 233722

Duodecimal: 3A242

Hexadecimal: 137d2

Square: 6372190276

Square Root: 282.5349535898169

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 and k+1 have same sum of divisors. A2961

Numbers k such that bsigma(k) = bsigma(k+1), where bsigma(k) is the sum of the bi-unitary divisors of k (A188999). A293183

Numbers k such that isigma(k) = isigma(k+1), where isigma(k) is the sum of the infinitary divisors of k (A049417). A306985

Numbers k such that σ(k) = σ(k+7). A15867

G.f.: A(x) = exp( ∑_n>=1 2ⁿ * xⁿ/(n*(1+xⁿ)) ). A165941

Numbers k such that k and k+1 have the same sum but an unequal number of divisors. A54007

Numbers n such that σ(n+1) - σ(n) = k·n for some integer k, where σ(n) = A000203 (sum of divisors of n). A223136

Table of consecutive numbers with the same sum of divisors. A225757

Numbers k such that s(k) = s(k+1), where s(k) is the sum of recursive divisors of k (A333926). A333949

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - b(n-2) + n, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4. A294423