Properties of the Number 85870

Eighty-Five Thousand Eight Hundred Seventy

Basics

Value: 85869 → 85870 → 85871

Parity: even

Prime: No

Previous Prime: 85853

Next Prime: 85889

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 31 × 277

Divisors: 1, 2, 5, 10, 31, 62, 155, 277, 310, 554

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100111101101110

Octal: 247556

Duodecimal: 4183A

Hexadecimal: 14f6e

Square: 7373656900

Square Root: 293.0358339862209

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

Integers that are Rhonda numbers to base 16. A100975

a(n) = n*(n + 1)*(19·n - 16)/6. A237618

a(n) = n⁴/8 + (5·n³)/12 - n²/8 - (5·n)/12 + 1. A226639

Triangle read by rows where T(n,k) is the number of chains of length k from minimum to maximum in the poset of integer partitions of n ordered by refinement. A330785

Array defined by T(i,1)=2ⁱ-1, T(1,j)=2^j-1, T(i,j)=T(i-1,j)+T(i-1,j-1) read by antidiagonals. A85870