Properties of the Number 86979

Eighty-Six Thousand Nine Hundred Seventy-Nine

Basics

Value: 86978 → 86979 → 86980

Parity: odd

Prime: No

Previous Prime: 86969

Next Prime: 86981

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 3 × 79 × 367

Divisors: 1, 3, 79, 237, 367, 1101, 28993, 86979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001111000011

Octal: 251703

Duodecimal: 42403

Hexadecimal: 153c3

Square: 7565346441

Square Root: 294.9220235926778

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

T(n,k) = Number of n X k 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. A298508

a(n) = 3ⁿ - A006952(n). A304082

Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. A298505

Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4 or 7 king-move adjacent elements, with upper left element zero. A298506

Increasing peaks in the prime gap sequence A038664. A86979