Properties of the Number 85999

Eighty-Five Thousand Nine Hundred Ninety-Nine

Basics

Value: 85998 → 85999 → 86000

Parity: odd

Prime: Yes

Previous Prime: 85991

Next Prime: 86011

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 85999

Divisors: 1, 85999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111111101111

Octal: 247757

Duodecimal: 41927

Hexadecimal: 14fef

Square: 7395828001

Square Root: 293.25586098149853

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

Primes having only {5, 8, 9} as digits. A385798

Primes with integer arithmetic mean of digits = 8 in base 10. A285228

Primes with digit sum = 40. A106773

Primes containing 999 as a substring. A167292

Number of rooted trees with n nodes with every leaf at height 5. A48810

a(1) = 2, a(2) = 3 and a(n) = the smallest prime which is a linear combination of a(n-1) and a(n-2) of the form r·a(n-1) + s·a(n-2) with r,s >=1. A72535

Smallest number k such that the continued fraction expansion of sqrt(k) contains n distinct numbers. A187142

Penta-Primes. Prime Numbers n as a Sum of 5 consecutive prime numbers (four twin primes and single prime number in between) are primes. A138397

Primes that end in 999. A230202

Indices of records in A028832. A374232