Properties of the Number 78998

Seventy-Eight Thousand Nine Hundred Ninety-Eight

Basics

Value: 78997 → 78998 → 78999

Parity: even

Prime: No

Previous Prime: 78989

Next Prime: 79031

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 2 × 39499

Divisors: 1, 2, 39499, 78998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011010010010110

Octal: 232226

Duodecimal: 39872

Hexadecimal: 13496

Square: 6240684004

Square Root: 281.06582858825084

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

Least number k such that the determinant of the circulant matrix formed by its decimal digits is equal to n. A306593

Irregular triangle read by rows: Squarefree nonzero quadratic residues. A165913

Choose a(n) so that a(1)+a(2)+...+a(n) = concatenation of n first natural numbers. A78998