Properties of the Number 74156

Seventy-Four Thousand One Hundred Fifty-Six

Basics

Value: 74155 → 74156 → 74157

Parity: even

Prime: No

Previous Prime: 74149

Next Prime: 74159

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 18539

Divisors: 1, 2, 4, 18539, 37078, 74156

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000110101100

Octal: 220654

Duodecimal: 36AB8

Hexadecimal: 121ac

Square: 5499112336

Square Root: 272.3159929199899

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

The number of regions inside a vesica piscis formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. A341877

Number of permutations of floor(i·8/3), i=0..n-1, with all sums of 2 through 4 adjacent terms respectively unique. A147939

Number of permutations of floor(i·8/3), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique. A147948

Smallest multiple of n with initial digits that of the reversal of n, deleting the leading zeros wherever required. A74156

Factors k >= 0 such that the polynomial x² + k·x + 1 produces a record of its Hardy-Littlewood constant. A332708