Properties of the Number 86919

Eighty-Six Thousand Nine Hundred Nineteen

Basics

Value: 86918 → 86919 → 86920

Parity: odd

Prime: No

Previous Prime: 86869

Next Prime: 86923

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 4139

Divisors: 1, 3, 7, 21, 4139, 12417, 28973, 86919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001110000111

Octal: 251607

Duodecimal: 42373

Hexadecimal: 15387

Square: 7554912561

Square Root: 294.8202842410949

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

Number of multisets summing to n not equal to the first sums of any nonempty multiset. A390447

Triangle read by rows: T(n,k) is the number of descent sequences of length n with exactly k-1 descents, n>=1, 1<=k<=n. A225624

Smallest number whose absolute value of the successive digit difference is the n-th palindrome, or -1 if no such number exists. A86919