Properties of the Number 18875

Eighteen Thousand Eight Hundred Seventy-Five

Basics

Value: 18874 → 18875 → 18876

Parity: odd

Prime: No

Previous Prime: 18869

Next Prime: 18899

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 5 ³ × 151

Divisors: 1, 5, 25, 125, 151, 755, 3775, 18875

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100110111011

Octal: 44673

Duodecimal: AB0B

Hexadecimal: 49bb

Square: 356265625

Square Root: 137.38631664034085

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

Numbers m such that there are precisely 17 groups of order m. A294949

a(n) is the smallest number k larger than a(n-1) such that n·d(k)*sopf(k)=σ(k), where d is the number of divisors (A000005) and sopf the sum of prime factors without repetition (A008472). A134382

Partial sums of A000132. A175360

Number of compositions (ordered partitions) of n into hexagonal numbers (A000384). A322798

Sums of 3 distinct powers of 5. A38475

a(n) = (7·n³ + 6·n² + 5·n) / 6. A101165

Number of partitions of n that do not contain 5 as a part. A27339

Composite numbers whose prime factors contain no digits other than 1 and 5. A36305

Numbers n such that n | 5ⁿ + 4ⁿ + 1. A57302

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, -1), (1, -1, 1), (1, 1, 1)}. A149612