Properties of the Number 74380

Seventy-Four Thousand Three Hundred Eighty

Basics

Value: 74379 → 74380 → 74381

Parity: even

Prime: No

Previous Prime: 74377

Next Prime: 74381

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 3719

Divisors: 1, 2, 4, 5, 10, 20, 3719, 7438, 14876, 18595

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001010001100

Octal: 221214

Duodecimal: 37064

Hexadecimal: 1228c

Square: 5532384400

Square Root: 272.72696969680135

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 set-like molecular species of degree n. A7649

1/16 the number of (n+1) X 5 0..3 arrays with all 2 X 2 subblocks having the same four values. A184034

a(0)=1, a(n) = 100·a(n-1) + 36·n - 128. A60183

a(n) = a(n-2) + a(n-3) + 2·a(n-4), with a(1) = 0, a(2) = 2, a(3) = 3, a(4) = 10. A175899

T(n,k) = 1/16 the number of (n+1) X (k+1) 0..3 arrays with all 2 X 2 subblocks having the same four values. A184039

Sarrus numbers n (A001567) which satisfy μ(n) = -1 and which are not Super-Poulet numbers (A050217). A74380