Properties of the Number 79000

Seventy-Nine Thousand

Basics

Value: 78999 → 79000 → 79001

Parity: even

Prime: No

Previous Prime: 78989

Next Prime: 79031

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 ³ × 79

Divisors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010010011000

Octal: 232230

Duodecimal: 39874

Hexadecimal: 13498

Square: 6241000000

Square Root: 281.0693864511039

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 n such that σ(n) = 6*φ(n). A104900

Number of ways to place 2 non-attacking wazirs on an n X n toroidal board. A201236

Numbers n such that 5ⁿ-6 is prime. A165701

Smallest number with persistence n for the sort-and-subtract-sequence. A65641

Consider all integer triples (i,j,k), j,k>0, with i³=j³+binomial(k+2,3), ordered by increasing i; sequence gives k values. A54236

McKay-Thompson series of class 26B for Monster. A58597

Expansion of q^-1 * (χ(-q¹³) / χ(-q))² in powers of q where χ() is a Ramanujan θ function. A128518

Numbers k such that σ(k) = φ(k·bigomega(k)). A68400

Numbers k such that k = rad(k) * sopfr(k), where rad(k) is the squarefree kernel of k and sopfr(k) the integer log of k. A280935

a(n) is taken to be the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a member of the sequence if and only if a(n) is odd". A79000