Properties of the Number 85125

Eighty-Five Thousand One Hundred Twenty-Five

Basics

Value: 85124 → 85125 → 85126

Parity: odd

Prime: No

Previous Prime: 85121

Next Prime: 85133

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 ³ × 227

Divisors: 1, 3, 5, 15, 25, 75, 125, 227, 375, 681

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10100110010000101

Octal: 246205

Duodecimal: 41319

Hexadecimal: 14c85

Square: 7246265625

Square Root: 291.76188921790316

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

a(n) = (4·n³ + 12·n² - 4·n + 3)/3. A322594

Expansion of ∑_k>0 (1/(1-x^k)⁶ - 1). A363696

Even numbers which are 7-smooth. A85125

Number of permutations in S_n avoiding 21{bar 3}54 (i.e., every occurrence of 2154 is contained in an occurrence of a 21354). A117106