Properties of the Number 86980

Eighty-Six Thousand Nine Hundred Eighty

Basics

Value: 86979 → 86980 → 86981

Parity: even

Prime: No

Previous Prime: 86969

Next Prime: 86981

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 4349

Divisors: 1, 2, 4, 5, 10, 20, 4349, 8698, 17396, 21745

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101001111000100

Octal: 251704

Duodecimal: 42404

Hexadecimal: 153c4

Square: 7565520400

Square Root: 294.92371895118913

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

Triangle read by rows: T(n,k) is the number of non-crossing set partitions of {1..5n} into n sets of 5 with k of the sets being a contiguous set of elements. A334063

Late occurring prime gaps in the prime gap sequence A001223. A86980