Properties of the Number 83207

Eighty-Three Thousand Two Hundred Seven

Basics

Value: 83206 → 83207 → 83208

Parity: odd

Prime: Yes

Previous Prime: 83203

Next Prime: 83219

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 83207

Divisors: 1, 83207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010100000111

Octal: 242407

Duodecimal: 4019B

Hexadecimal: 14507

Square: 6923404849

Square Root: 288.45623584869855

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

The sequence denoted by h_n used in the calculation of A323260. A323269

Smaller term of closest safe prime pairs. A59323

Special safe primes (from A005385) such that the next prime is also a safe prime. A59394

Smaller of safe prime twins: special safe primes (A005385) p such that the next prime is also the next safe prime and is p+12, i.e., occurs at the closest possible distance, 12. A59395

Primes of the form 5·k² + 2, k >= 0. A201481

Number of compositions (ordered partitions) of n into prime power parts (A246655) such that no two adjacent parts are equal (Carlitz compositions). A301501

Zumkeller or integer-perfect numbers: numbers n whose divisors can be partitioned into two disjoint sets with equal sum. A83207

Primes p such that reversal(p) - 13 is a square. A176371

First differences of sequence of consecutive safe primes. A59322

Number of nX3 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X4 binary array having a sum of two or less, with rows and columns of the latter in lexicographically nondecreasing order. A227260