Properties of the Number 61869

Sixty-One Thousand Eight Hundred Sixty-Nine

Basics

Value: 61868 → 61869 → 61870

Parity: odd

Prime: No

Previous Prime: 61861

Next Prime: 61871

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 41 × 503

Divisors: 1, 3, 41, 123, 503, 1509, 20623, 61869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000110101101

Octal: 170655

Duodecimal: 2B979

Hexadecimal: f1ad

Square: 3827773161

Square Root: 248.73479853048306

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

Expansion of ∏_k>=1 (1 + x^k)^{3^(k-1}). A343360

Numbers k such that k![14]-2 is prime, where k![14] is the fourteen-fold multifactorial. A284190

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) - n, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences. A296558

Squares whose sum of digits as well as product of digits is a square (allowing zero). A61869