Properties of the Number 60639

Sixty Thousand Six Hundred Thirty-Nine

Basics

Value: 60638 → 60639 → 60640

Parity: odd

Prime: No

Previous Prime: 60637

Next Prime: 60647

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 29 × 41

Divisors: 1, 3, 17, 29, 41, 51, 87, 123, 493, 697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110110011011111

Octal: 166337

Duodecimal: 2B113

Hexadecimal: ecdf

Square: 3677088321

Square Root: 246.249873096414

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 one-sided hexagonal polyominoes with n cells. A6535

Irregular triangle read by rows: T(n,k) is the number of unlabeled connected n-node graphs with intersection number (or edge clique cover number) k; n >= 1, 0 <= k <= floor(n²/4). A355755

Squarefree integers k such that x⁴ - k·y² = 1 has a nontrivial solution. A356496

Primitive congruent numbers that are the squarefree part of the area of primitive Pythagorean triangles (PPTs) ordered within a Berggren ternary tree of PPTs. A393290

Squarefree part of A078522(n+1). A327248

Number of pairs of partitions of [n] whose join is the partition {{1,2,...,n}}. A60639

a(n) = k implies that there exists a set S of positive integers such that ∑_{s_i in S} 1/s_i = n, max(S) = k and no set S' exists with the same sum and a smaller maximal element. A101877