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Properties of the Number 6563

Six Thousand Five Hundred Sixty-Three

Basics

Value: 6562 → 6563 → 6564

Parity: odd

Prime: Yes

Previous Prime: 6553

Next Prime: 6569

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 6563

Divisors: 1, 6563

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1100110100011

Octal: 14643

Duodecimal: 396B

Hexadecimal: 19a3

Square: 43072969

Square Root: 81.01234473831751

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

Primes of the form k2 + 2. A56899
Discriminants of imaginary quadratic fields with class number 23 (negated). A46020
Numbers that are the sum of 3 nonzero 8th powers. A3381
Numbers that are the sum of 5 positive 7th powers. A3372
Primes from merging of 4 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. A103810
Primes of the form 3k + 2. A57735
Initial term in sequence of four consecutive primes separated by 3 consecutive differences each <=6 (i.e., when d=2,4 or 6) and forming d-pattern=[6, 2,6]; short d-string notation of pattern = [626]. A78854
Primes congruent to 3 mod 41. A142200
Minimal number (in decimal representation) with n nonprime substrings in base-9 representation (substrings with leading zeros are considered to be nonprime). A217109
Number of integer partitions of n such that neither the run-lengths nor the negated run-lengths are unimodal. A332640

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