Properties of the Number 83125

Eighty-Three Thousand One Hundred Twenty-Five

Basics

Value: 83124 → 83125 → 83126

Parity: odd

Prime: No

Previous Prime: 83117

Next Prime: 83137

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ⁴ × 7 × 19

Divisors: 1, 5, 7, 19, 25, 35, 95, 125, 133, 175

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010010110101

Octal: 242265

Duodecimal: 40131

Hexadecimal: 144b5

Square: 6909765625

Square Root: 288.3140648667699

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

Numbers k such that S(k)=d(k), where S(k) is the Kempner function (A002034) and d(k) is the number of divisors of k (A000005). A73307

Numbers n such that number of divisors of n divides S(n), the Kempner function A002034. A73413

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1000-1000-1111-0010 pattern in any orientation. A147114

a(1) = 1, then the smallest number not occurring earlier such that the product of a pair of successive terms is a palindrome. A83125