Properties of the Number 6725

Six Thousand Seven Hundred Twenty-Five

Basics

Value: 6724 → 6725 → 6726

Parity: odd

Prime: No

Previous Prime: 6719

Next Prime: 6733

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 ² × 269

Divisors: 1, 5, 25, 269, 1345, 6725

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101001000101

Octal: 15105

Duodecimal: 3A85

Hexadecimal: 1a45

Square: 45225625

Square Root: 82.00609733428362

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·n² + 1. A53755

Monotonic ordering of set S generated by these rules: if·and y are in S then x² + y² is in S, and 1 is in S. A192476

a(n) = A033001(n)/4. A43307

Inverse Euler transform of the sum-of-divisors or σ function A000203. A320780

a(n) = floor((1+sqrt(2))ⁿ). A80039

Sequence S such that 1 is in S and if·is in S, then 6x-1 and 6x+1 are in S. A147993

Numbers m such that [A070080(m), A070081(m), A070082(m)] is an acute scalene integer triangle with prime side lengths. A70123

Numbers of the form (square + 1) that are not squarefree. A124809

Numbers k such that A136675(k) is prime. A136683

Continued fraction expansion for exp( ∑_n>=1 1/(n·A002203(n)) ), where A002203(n) = (1+sqrt(2))ⁿ + (1-sqrt(2))ⁿ. A174504