Properties of the Number -70525

Seventy Thousand Five Hundred Twenty-Five

Basics

Value: -70526 → -70525 → -70524

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 ² × 7 × 13 × 31

Divisors: 1, 5, 7, 13, 25, 31, 35, 65, 91, 155

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10001001101111101

Octal: -211575

Duodecimal: -34991

Hexadecimal: -1137d

Square: 4973775625

Square Root: 265.56543449779

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

Triangle read by rows: matrix 5th power of the Stirling-1 triangle A008275. A39817

4-dimensional analog of centered polygonal numbers. A6325

Numbers that are the sum of four third powers in ten or more ways. A345155

Numbers that are the sum of four third powers in exactly ten ways. A345156

The first of two consecutive pentagonal numbers the sum of which is equal to the sum of two consecutive primes. A298463

Numbers that, when expressed in base 8 and then interpreted in base 10, yield a multiple of the original number. A32551

Pentagonal numbers (A000326) in which parity of digits alternates. A297644

Numbers that divide the average of the sum of the squares of their divisors. A255244

29-gonal pyramidal numbers: a(n) = n*(n+1)*(9·n-8)/2. A256649

a(n) = (A001359(n+1)² - 1)/24, where A001359 = lesser of twin primes; or: pentagonal numbers (A000326) whose indices are twin ranks (A002822). A308344