Properties of the Number 64790

Sixty-Four Thousand Seven Hundred Ninety

Basics

Value: 64789 → 64790 → 64791

Parity: even

Prime: No

Previous Prime: 64783

Next Prime: 64793

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 11 × 19 × 31

Divisors: 1, 2, 5, 10, 11, 19, 22, 31, 38, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110100010110

Octal: 176426

Duodecimal: 315B2

Hexadecimal: fd16

Square: 4197744100

Square Root: 254.53879861427805

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

Squarefree numbers which yield zero when their prime factors are xored together. A235488

Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k UDL's (n >= 0; 0 <= k <= floor((n+1)/2)). A128728

Numbers k such that φ(k)*σ(k) is a cube. A114077

a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence. A351689

Squarefree nonprimes n with a divisor d such that φ(n) divides n+d. A217741

Degrees of irreducible representations of O'Nan group ON. A3919

Number of 1..16 integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1. A171290

Number of 1..n integer arrays v[1..4] of length 4 with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..3. A171341

Inverse permutation to A060734. A64790