Properties of the Number 3869

Three Thousand Eight Hundred Sixty-Nine

Basics

Value: 3868 → 3869 → 3870

Parity: odd

Prime: No

Previous Prime: 3863

Next Prime: 3877

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 53 × 73

Divisors: 1, 53, 73, 3869

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100011101

Octal: 7435

Duodecimal: 22A5

Hexadecimal: f1d

Square: 14969161

Square Root: 62.20128616033595

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 into at most 1 copy of 1, 2 copies of 2, 3 copies of 3, ... . A52335

Table T(n,k) by antidiagonals. T(n,k) is the number of primitive (=aperiodic) k-ary words (n,k >= 1) with length less than or equal to n which are earlier in lexicographic order than any other word derived by cyclic shifts of the alphabet. A143327

Minimal exponents m such that the fractional part of (10/9)^m obtains a maximum (when starting with m=1). A153695

Number of times prime(n) (the n-th prime) occurs as the least prime factor among numbers 1 .. (prime(n)² * prime(n+1)): a(n) = A078898(A251720(n)). A250477

Number of strict integer partitions of n such that every pair of distinct parts has a different product. A325855

Numbers k such that 8^k - k⁸ is prime. A128448

Numbers k such that k¹⁰ == 1 (mod 11³). A56085

a(n) = 2·n² + 8·n + 5. A268581

Numbers that are the sum of six cubes in ten or more ways. A345519

Numbers that are the sum of six cubes in exactly ten ways. A345772