Properties of the Number 66740

Sixty-Six Thousand Seven Hundred Forty

Basics

Value: 66739 → 66740 → 66741

Parity: even

Prime: No

Previous Prime: 66739

Next Prime: 66749

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 5 × 47 × 71

Divisors: 1, 2, 4, 5, 10, 20, 47, 71, 94, 142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000010010110100

Octal: 202264

Duodecimal: 32758

Hexadecimal: 104b4

Square: 4454227600

Square Root: 258.34086010540415

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 unordered pairs of partitions of n (into distinct parts) with empty intersection. A108796

Square array read by rising antidiagonals. T(n, k) is the k-th root of the number of root sets modulo p the n-th prime. A339176

Number of distinct partitions of A007504(n) which can be obtained by merging parts in the partition 2+3+5+...+prime(n), where prime(n) is the n-th prime. A66740