Properties of the Number 18488

Eighteen Thousand Four Hundred Eighty-Eight

Basics

Value: 18487 → 18488 → 18489

Parity: even

Prime: No

Previous Prime: 18481

Next Prime: 18493

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2311

Divisors: 1, 2, 4, 8, 2311, 4622, 9244, 18488

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100100000111000

Octal: 44070

Duodecimal: A848

Hexadecimal: 4838

Square: 341806144

Square Root: 135.97058505426827

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 k such that 3^k + 8 is prime. A217136

Number of series-reduced balanced trees with n leaves. A120803

Number of compositions of n whose circular differences are all 1 or -1. A325589

a(n) = ∑_k=1..n prime(k)*prime(k+1). A74745

Consecutive states of the linear congruential pseudo-random number generator 172·s mod 30307 when started at s=1. A385032

a(n) = (n-1)! * ∑_d∣n d/(d-1)!. A370580

a(n) = 64·n² - 8. A158487

Number of integers in n-th generation of tree T(-5/2) defined in Comments. A274155

Number of binary strings of length n with equal numbers of 00001 and 00110 substrings. A164196

Number of 4-step one space at a time bishop's tours on an n X n board summed over all starting positions. A187157