Properties of the Number 79993

Seventy-Nine Thousand Nine Hundred Ninety-Three

Basics

Value: 79992 → 79993 → 79994

Parity: odd

Prime: No

Previous Prime: 79987

Next Prime: 79997

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 167 × 479

Divisors: 1, 167, 479, 79993

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100001111001

Octal: 234171

Duodecimal: 3A361

Hexadecimal: 13879

Square: 6398880049

Square Root: 282.83033783524706

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

a(n) = 8·10ⁿ - 7. A100412

Numbers k such that 2·reverse(k) - k = 1. A169830

Numbers n such that φ(n)+σ(n)=4·reversal(n). A136543

Numbers m whose reversal divides m+1. A247201

Integers k such that k + 1 has a divisor that is an anagram of k, which must have the same number of digits as k. A384597

Numbers n such that 8·10ⁿ-7 is prime. A99190

Indices of primes in sequence defined by A(0) = 73, A(n) = 10·A(n-1) + 63 for n > 0. A101155

Primes of the form 8·10ⁿ-7. A105322

Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={0,2}. A79993

Sierpiński problem in base 5: a(n) is the smallest k >= 0 such that (2·n)*5^k + 1 is prime, or -1 if no such k exists. A345698