Properties of the Number 84725

Eighty-Four Thousand Seven Hundred Twenty-Five

Basics

Value: 84724 → 84725 → 84726

Parity: odd

Prime: No

Previous Prime: 84719

Next Prime: 84731

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 3389

Divisors: 1, 5, 25, 3389, 16945, 84725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101011110101

Octal: 245365

Duodecimal: 41045

Hexadecimal: 14af5

Square: 7178325625

Square Root: 291.0755915565577

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 n-covers of an unlabeled 3-set. A5745

a(n) = (A006935(n) - 1) / ord(2,A006935(n)/2), where ord(k,m) is the multiplicative order of k modulo m. A350083

Number of length 1+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two. A248988

Number of compositions (ordered partitions) of n into distinct parts such that the average of the parts is an integer. A339175

Let m(k) be the index of the largest triangular number <= k; then a(n) is the smallest number k that can be written as the sum of three triangular numbers if the largest is the (m(k)-n)-th triangular number, but no larger. A331753

Primes arising in A084724. a(n) = N-th partial product of A084724 +1. A84725