Properties of the Number 40256

Forty Thousand Two Hundred Fifty-Six

Basics

Value: 40255 → 40256 → 40257

Parity: even

Prime: No

Previous Prime: 40253

Next Prime: 40277

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁶ × 17 × 37

Divisors: 1, 2, 4, 8, 16, 17, 32, 34, 37, 64

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110101000000

Octal: 116500

Duodecimal: 1B368

Hexadecimal: 9d40

Square: 1620545536

Square Root: 200.63897926375125

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 strict chains of divisors starting with n!. A337071

Composites whose prime factorization in base 7 is an anagram of the number in base 7. A260051

Poupard's triangle: triangle of numbers arising in enumeration of binary trees. A8301

a(n) = n! - n². A5008

Left half of Poupard's triangle, A008301. A210108

a(n) is the smallest number greater than a(n-1) such that in a(0) through a(n) no digit occurs more than once more than any other digit. A95204

Expansion of a level 11 weight 7 multiplicative modular form in powers of q. A138661

Expansion of ∏_k>=0 1/(1-x^5·k+4)^5·k+4. A285132

Total sum of the number of divisors of the element sum over all nonempty subsets of [n]. A309403

Number of different values obtained by evaluating all different parenthesizations of 1/2/3/4/.../n. A78389