Properties of the Number 82025

Eighty-Two Thousand Twenty-Five

Basics

Value: 82024 → 82025 → 82026

Parity: odd

Prime: No

Previous Prime: 82021

Next Prime: 82031

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 17 × 193

Divisors: 1, 5, 17, 25, 85, 193, 425, 965, 3281, 4825

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10100000001101001

Octal: 240151

Duodecimal: 3B575

Hexadecimal: 14069

Square: 6728100625

Square Root: 286.40006983239374

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

Number of primes <= 2ⁿ. A7053

Number of squared primes <= 2ⁿ. A60967

Sums of 5 distinct powers of 5. A38477

Number of primes less than 2ⁿ. A185192

Number of primes < 4ⁿ. A86680

Structured snub dodecahedral numbers. A100151

a(n) = number of primes < n⁴. A380331

Square array of distinct positive integers, in which neighboring entries (both orthogonal and diagonal) are coprime. The array is read by antidiagonals, alternating upwards and downwards. Each entry is the smallest positive integer not already used that is coprime to all of the neighboring entries that are earlier in the sequence. A82025

n-th prime minus its binary reversal. A265326

Numbers k such that 2·A243823(k) = k. A295221