Properties of the Number 74382

Seventy-Four Thousand Three Hundred Eighty-Two

Basics

Value: 74381 → 74382 → 74383

Parity: even

Prime: No

Previous Prime: 74381

Next Prime: 74383

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 ² × 11 × 23

Divisors: 1, 2, 3, 6, 7, 11, 14, 21, 22, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001010001110

Octal: 221216

Duodecimal: 37066

Hexadecimal: 1228e

Square: 5532681924

Square Root: 272.7306363428942

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 reversible strings with n-1 beads of 2 colors. 4 beads are black. String is not palindromic. A32091

Coefficient of x⁵ in expansion of (1 + x + x²)ⁿ. A574

3-parking triangle T(r, i, 3) read by rows: T(r, i, k) = (r + 1)^i-1*binomial(k*(r + 1) + r - i - 1, r - i) with k = 3 and 0 <= i <= r. A329059

Triangle of Generalized Runyon numbers R_n,k³ read by rows. A173020

E.g.f.: -exp(-x)*LambertW(-x). A277474

Irregular triangle read by rows: T(n,k) is the number of unlabeled n-vertex hypergraphs (or set systems) with k hyperedges (none of which is empty), 0 <= k <= 2ⁿ-1. A371830

Seventh diagonal (m=6) of triangle A084938; a(n) = A084938(n+6,n) = (n⁶ + 45·n⁵ + 925·n⁴ + 11475·n³ + 92314·n² + 413640·n)/720. A90392

Triangular array read by rows: T(n,k) is the number of forests of rooted trees on n labeled nodes with exactly k isolated nodes; n>=0, 0<=k<=n. A219034

Number of n-element subsets of [n+4] having an even sum. A282080

Numbers k such that 161·2^k-1 is prime. A50832