Properties of the Number 74128

Seventy-Four Thousand One Hundred Twenty-Eight

Basics

Value: 74127 → 74128 → 74129

Parity: even

Prime: No

Previous Prime: 74101

Next Prime: 74131

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 41 × 113

Divisors: 1, 2, 4, 8, 16, 41, 82, 113, 164, 226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10010000110010000

Octal: 220620

Duodecimal: 36A94

Hexadecimal: 12190

Square: 5494960384

Square Root: 272.26457720386617

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

Difference between 2^2·n-1 and the next larger square. A238454

Difference between (smallest square strictly greater than 2ⁿ) and 2ⁿ. A56008

Difference between 2^2n-1 and the nearest square. A236564

Unit-anchored semiperfect numbers (A392910) whose odd part (A000265) is not prime. A392911

Number of nXnXn triangular 0..4 arrays with no element equal to the sum or difference mod 5 of any two of its neighbors. A193834

Number of (undirected) paths in the n-helm graph. A292001

Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group. A74128

Number of length n+3 0..7 arrays with every four consecutive terms having the maximum of some two terms equal to the minimum of the remaining two terms. A249706