Properties of the Number 61321

Sixty-One Thousand Three Hundred Twenty-One

Basics

Value: 61320 → 61321 → 61322

Parity: odd

Prime: No

Previous Prime: 61297

Next Prime: 61331

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 13 × 53 × 89

Divisors: 1, 13, 53, 89, 689, 1157, 4717, 61321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111110001001

Octal: 167611

Duodecimal: 2B5A1

Hexadecimal: ef89

Square: 3760265041

Square Root: 247.63077353188558

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 partitions of n where the difference between consecutive parts is at most 9. A238869

Numbers m such that m = p² + k², with p > 0, where p = A007954(m) = the product of digits of m. A334557

Odd numbers interlaced with numbers 3m+2. A63914

Column 5 of A061315. A61321

a(n) is the least k such that A122953(k) = n. A292924