Properties of the Number 79003

Seventy-Nine Thousand Three

Basics

Value: 79002 → 79003 → 79004

Parity: odd

Prime: No

Previous Prime: 78989

Next Prime: 79031

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 199 × 397

Divisors: 1, 199, 397, 79003

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011010010011011

Octal: 232233

Duodecimal: 39877

Hexadecimal: 1349b

Square: 6241474009

Square Root: 281.0747231609417

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

Strong pseudoprimes to base 3. A20229

Numbers of the form p·q, p and q prime with q=2·p-1. A129521

Triangular numbers which are the product of two primes. A68443

Base-3 Euler-Jacobi pseudoprimes. A48950

Odd numbers with increasing numbers of bases to which they are strong pseudoprimes. A141768

Composite numbers k == 5, 7 (mod 12) such that 3^(k-1/2) == -1 (mod k). A375918

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 3,2,0,4,1 for x=0,1,2,3,4. A196802

Overpseudoprimes to base 3. A141350

Odd numbers > 1, not powers of primes, for which A326147(n) is equal to abs(A326146(n)). A326148

Super pseudoprimes (or superpseudoprimes) to base 3: Fermat pseudoprimes to base 3 all of whose divisors that are larger than 1 are either primes or Fermat pseudoprimes to base 3. A328662