Properties of the Number 18355

Eighteen Thousand Three Hundred Fifty-Five

Basics

Value: 18354 → 18355 → 18356

Parity: odd

Prime: No

Previous Prime: 18353

Next Prime: 18367

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 3671

Divisors: 1, 5, 3671, 18355

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011110110011

Octal: 43663

Duodecimal: A757

Hexadecimal: 47b3

Square: 336906025

Square Root: 135.48062592119953

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 ordered triples (a, b, c) with gcd(a, b, c) = 1 and 1 <= {a, b, c} <= n. A71778

Number of ways to split a strict integer partition of n into consecutive subsequences with weakly decreasing sums. A319794

A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of six simple musical tones: 8/7 5/4 4/3 3/2 8/5 7/4. A60526

A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of 8 musical tones: 8/7 16/11 5/4 4/3 3/2 8/5 11/8 7/4. A60527

A list of equal temperaments (equal divisions of the octave) whose nearest scale steps are closer and closer approximations to the ratios of three complementary pairs of simple musical tones: 7/6 and 12/7, 6/5 and 5/3 and 7/5 and 10/7. A60529

Self-convolution of (1, p(1), p(2), ...). A23626

Equal divisions of the octave of decreasing seven-limit Pepper ambiguity. A117555

Equal divisions of the octave of decreasing nine-limit Pepper ambiguity. A117556

Number of 8k+1 primes (A007519) in range ]2ⁿ,2ⁿ⁺¹]. A95009

For n weights, number of combinations when limited to two weights per pan. A37255