Properties of the Number -72426

Seventy-Two Thousand Four Hundred Twenty-Six

Basics

Value: -72427 → -72426 → -72425

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 12071

Divisors: 1, 2, 3, 6, 12071, 24142, 36213, 72426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10001101011101010

Octal: -215352

Duodecimal: -35AB6

Hexadecimal: -11aea

Square: 5245525476

Square Root: 269.1207907241653

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

Numbers n such that the decimal expansions of both n and n² have 2 as smallest digit and 7 as largest digit. A257123

Numbers k such that k and k² use only the digits 2, 4, 5, 6 and 7. A137094

Triangle read by rows, T(n, k) = S(k, n) with S(n, n) = 1, S(0, n) = 0 and otherwise S(k,n) = ∑_i=1..n-k+1 kⁱ*S(k-1, n-i), for n>=0 and 0<=k<=n. A269955